Volkswagen Bora 1998 Service Manual Download Page 167

Page: 167 / 339

01-159

On Board Diagnostic (OBD),
performing

Test prerequisites for OBD

The tires installed to all wheels must be of
the same (approved) size; tires inflated to
prescribed pressure.

Mechanical/hydraulic parts of the brake
system including brake light switch and
brake lights OK.

Hydraulic lines and connections not leaking
(visual check of hydraulic unit, brake
calipers, wheel cylinders, tandem master
brake cylinder).

ABS Control Module (w/EDL) -J104- is
correctly bolted to ABS Hydraulic Unit -
N55-.

Connector on ABS Control Module (w/EDL)
-J104- correctly plugged-in (retainer is
engaged).

Check contacts of ABS components for
damage and correct seating.

All fuses according to wiring diagram OK
(remove fuse from fuse holder to check).

Supply voltage OK (at least 10.0 V).

Стр

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On Board Diagnostic (OBD), performing

Summary of Contents for Bora 1998

Page 1: ...r with contact assignment Test table Brake light switch adjusting ABS Mark 60 On Board Diagnostic OBD vehicles from my 10 00 Function Arrangement of ABS MARK 60 Technical data Safety precautions and fundamental points regarding troubleshooting Troubleshooting with V A G 1551 scan tool or tester VAS 5051 on ABS Mark 60 flow chart Electrical electronic components and installing locations Diagnostic ...

Page 2: ... of the ABS i e only malfunctions via the electrical connection to the control module are recognized e g speed sensor open circuit The 25 pin ABS Control Module w EDL J104 forms with the hydraulic unit a compact unit The unit is located on the left in the engine compartment The control module is equipped with a DTC memory The diagnostic connection is located in the center console below the heating...

Page 3: ... light for brake system K118 light up for approx 2 seconds During this period a test sequence self check is run in the control module for the following functions To check if the supply voltage is at least 10 0 Volt To check control module including the valve windings To check the coding of the control module A static check of the speed sensor no speed signal If after driving off and exceeding a sp...

Page 4: ...rical malfunctions which influence the braking characteristics will be stored They can be checked with the V A G 1551 Scan Tool or with the tester VAS 5051 The information displayed is used in conjunction with a DTC table which has information on the possible DTC causes for repair measures Стр 3 из 8 ABS ITT Mark 20 IE On Board Diagnostic OBD ...

Page 5: ...er 2 Hydraulic unit 3 Control module 25 pin bolted to hydraulic unit Distinguishing features of ABS ABS EDL and ABS EDL ASR ITT Mark 20 IE hydraulic unit Dimension A 100 mm vehicles with ABS Dimension A 130 mm vehicles with ABS EDL Dimension A 130 mm vehicles with ABS EDL ASR Стр 4 из 8 ABS ITT Mark 20 IE On Board Diagnostic OBD ...

Page 6: ...e for brake electronics is selected Page 01 23 1J0 907 379 D G ABS 1J0 907 379 E H ABS EDL 1J0 907 379 R J ABS EDL ASR Diagnostic Trouble Code DTC memory A non volatile memory ensures that the contents of the DTC memory are retained even without a voltage supply Data outputis achieved in operating mode 1 rapid data transfer Стр 5 из 8 ABS ITT Mark 20 IE On Board Diagnostic OBD ...

Page 7: ...riate instructions regarding the handling of brake fluid Repair Manual Brake System Repair Group 47 ABS malfunctions are indicated by the ABS warning light illuminating Certain malfunctions will only be recognized at speeds above 20 km h approx 13 mph carry out road test If the ABS Warning Light K47 and the warning light for brake system K118 do not light up but the brake system is not functioning...

Page 8: ...trol module identification Select address word 03 Brake electronics Check DTC memory 02 Repair DTCs using DTC table No DTCs recognized Read measured value block 08 Perform output Diagnostic Test Mode DTM 03 Replace component 1 Perform test drive at more than 20 km h 2 Check DTC memory 02 again 3 No DTCs recognized is displayed again A B C D E Стр 7 из 8 ABS ITT Mark 20 IE On Board Diagnostic OBD ...

Page 9: ...f brake system Workshop Manual Replace control module Connect V A G 1551 and check DTC memory again 02 Erase DTC memory 05 Perform test drive at more than 20 km h 13 mph and allow the ABS to regulate braking Check DTC memory again after test drive If No DTC recognized appears on display of V A G 1551 after repairing DTCs and performing test drive the On Board Diagnostic OBD is completed Стр 8 из 8...

Page 10: ...y On Bo Diagnostic OBD The ABS Hydraulic Pump V64 and v block must not be separated from on another Removing and installing When changing th hydraulic unit alwa seal the old part w the plugs from the repair set Part No 698 311 A Стр 1 из 14 Electrical electronic components and locations Volkswagen Technical Site http volkswagen msk ru http vwts info http vwts ru огромный архив документации по авто...

Page 11: ...e compartment Checked by On Board Diagnostic OBD Checking the multi pin connector to control module Page 01 106 Do not disconnect connector before successfully completing OBD Switch ignition off before separating connection Стр 2 из 14 Electrical electronic components and locations ...

Page 12: ...the inlet outlet valves in the hydraulic unit are checked by On Board Diagnostic OBD The ABS hydraulic pump V64 and valve block must not be separated from one another Removing and installing When changing the hydraulic unit always seal the old part with the plugs from the repair set Part No 1H0 698 311 A Стр 3 из 14 Electrical electronic components and locations ...

Page 13: ...f engine compartment Checked by On Board Diagnostic OBD Checking the multi pin connector to control module Page 01 106 Do not disconnect connector before successfully completing OBD Switch ignition off before separating connection Стр 4 из 14 Electrical electronic components and locations ...

Page 14: ... be checked via read measured value block Page 01 61 6 Data Link Connector DLC Installation position in center console below heating air conditioning controls 7 Longitudinal acceleration sensor G251 All wheel drive vehicles with Haldex coupling only Стр 5 из 14 Electrical electronic components and locations ...

Page 15: ...n instrument cluster Function Page 01 17 9 Warning light for brake system K118 Location instrument cluster Function Page 01 17 10 ESP control lamp K155 Location instrument cluster Стр 6 из 14 Electrical electronic components and locations ...

Page 16: ...unting and coat with lubricating paste G 000 650 When connecting the speed sensor wire ensure it is not twisted in the wheel housing Bolt tightening torque 10 Nm 12 Wheel hub with impulse rotor for right left front speed sensors Rotor and speed sensors for front left and right hand sides are identical Стр 7 из 14 Electrical electronic components and locations ...

Page 17: ...Repair Manual Suspension Wheels Steering Repair Group 40 Removing and installing Стр 8 из 14 Electrical electronic components and locations ...

Page 18: ...d coat with lubricating paste G 000 650 When connecting the speed sensor wire ensure it is not twisted in the wheel housing Bolt tightening torque 10 Nm 14 Wheel hub with impulse rotor for right left rear speed sensors Rotor and speed sensors for left and right hand sides are identical Removing and installing Стр 9 из 14 Electrical electronic components and locations ...

Page 19: ...Repair Manual Suspension Wheels Steering Repair Group 42 Стр 10 из 14 Electrical electronic components and locations ...

Page 20: ... system the warning light for brake system K118 is at position 3 The function of the parking brake warning light K14 is then taken on by the warning light for brake system K118 Item Designation 1 Warning light for brake system K118 2 ABS warning light K47 3 Parking brake indicator light K14 Стр 11 из 14 Electrical electronic components and locations ...

Page 21: ...tem remains switched off with an ABS malfunction b but the brake system remains fully operational c Since the last time the vehicle was started there was a temporary speed sensor malfunction In the case of a sensor malfunction c the ABS warning light K47 will extinguish after restarting the engine and attaining a speed of above 20 km h approx 13 mph d The connection from instrument cluster to ABS ...

Page 22: ...ght K47 2 goes out but the warning light for brake system K118 1 remains on and three warning tones are audible then the malfunction may be a The brake fluid level is too low b There is a malfunction in the activation of the warning light for brake system K118 If the ABS warning light K47 2 and the brake system warning light K118 1 light up the ABS system is faulty and the EBD Electronic Brake pre...

Page 23: ...sible cause may be the brake light switch F is not functioning The function can be checked in Read measured value block Page 01 61 display group number 003 If the parking brake indicator light K14 3 does not go out after switching the ignition on the malfunction may be a The parking brake is applied b The parking brake warning light switch F9 for the parking brake indicator light K14 is faulty or ...

Page 24: ...uld previously be performed with V A G 1551 can also be performed with the new tester VAS 5051 Special tools and equipment V A G 1551 Scan Tool or V A G 1552 vehicle system tester V A G 1551 3 or 1551 3A Adapter cable Стр 1 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 25: ...nit brake calipers wheel cylinders tandem master brake cylinder Wheel bearings and wheel bearing play OK ABS control module w EDL J104 is correctly bolted to hydraulic unit N55 Connector on ABS control module w EDL J104 correctly plugged in retainer is engaged Check contacts of ABS components for damage and correct seating All fuses OK according to wiring diagram remove fuse from fuse holder to ch...

Page 26: ...1 Pull cover 1 off in direction of arrow With ignition switched off connect V A G 1551 using cable V A G 1551 3 A to Data Link Connector V A G On Board Diagnostic HELP 1 Rapid data transfer1 2 Blink code output1 Indicated on display 1 Is displayed alternately Note If there is no indication on display check DLC Electrical checks Page 01 102 test steps 14 and 15 Depending on the program additional o...

Page 27: ...dress word of the vehicle system to be tested Brake electronics Rapid data transfer Q 03 Brake electronics Indicated on display Confirm input with Q key 1J0 907 379 D ABS 20 IE CAN 0001 Coding 03604 WSC XXXXX Display shows e g Displayed is e g 1J0 907 379 D Allocation of control module see Parts catalog Electrical Wiring Diagrams Troubleshooting Component Locations binder The control module identi...

Page 28: ...n display By pressing the HELP key a list of possible fault causes is printed out If Control module does not answer again appears After eliminating possible causes of malfunctions enter the address word 03 for Brake electronics again and confirm Rapid data transfer HELP Control module does not answer Indicated on display Perform test steps 1 2 and 3 Page 01 102 Electrical check Rapid data transfer...

Page 29: ...connection for ABS Control Module w EDL J104 Electrical check Page 01 102 After repairing possible causes of malfunction again enter address word 03 for Brake electronics and confirm with Q key Стр 6 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 30: ...ool and selecting functions Page 01 23 02 Check DTC memory Page 01 28 03 Output Diagnostic Test Mode Page 01 74 04 Initiate basic setting Page 01 91 05 Erase DTC memory Page 01 56 06 End output Page 01 56 07 Code control module Page 01 58 08 Read measured value block Page 01 61 Стр 7 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 31: ... display Confirm entry with Q key X DTCs recognised The number of stored DTCs or No DTCs recognized appears in the display Press key The stored DTCs are displayed and printed out one after the other With DTC information print out eliminate malfunctions according to DTC table Page 01 35 As with No DTC recognized the program returns to the start position after pressing the key Rapid data transfer HE...

Page 32: ...ce if a DTC has been detected 1 Repair according to DTC table Page 01 35 2 Check DTC memory Function 02 3 Erase DTC memory Function 05 4 End output Function 06 5 Perform a test drive 6 Check DTC memory again Стр 9 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 33: ...ing mode Switch on printer with the Print key indicator lamp in key lights up Rapid data transfer HELP Select function XX Indicated on display Press key 0 twice 00 enters Automatic test sequence function Confirm entry with Q key 1J0 907 379 D ABS 20 IE CAN0001 Coding 03604 WSC XXXXX The V A G 1551 Scan Tool display will show the control module identification e g Thereafter all control module ident...

Page 34: ...rmed with V A G 1551 can also be performed with the new tester VAS 5051 in the operating mode Vehicle On Board Diagnostic Operating instructions for Vehicle Diagnosis Testing and Information System VAS 5051 Special tools and equipment VAS 5051 Vehicle Diagnosis Testing and Information System Стр 11 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 35: ...ormation System VAS 5051 Pull cover 1 off in direction of arrow With ignition switched off connect tester VAS 5051 to diagnosis connection using diagnosis cable VAS 5051 1 or VAS 5051 3 In the functions 04 Basic setting 08 Read Measured value block the display zones will be listed from top to bottom If the display does not indicate as described in the work sequence Стр 12 из 81 ABS ITT Mk 20 IE On...

Page 36: ...lect operating mode Press button on display for Vehicle On Board Diagnostic arrow Indicated on display Select vehicle system Press 03 Brake electronics on display arrow Стр 13 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 37: ...ctions for Vehicle Diagnosis Testing and Information System VAS 5051 The control module identification number System designation ABS 20 IE Data BUS present CAN Control module code 03504 Workshop code Indicated on display Select diagnostic function At this point all diagnostic functions are available For further measures see repair procedures Стр 14 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD pr...

Page 38: ... Example DTC P code DTC type code 5 digit 5 digit 3 digit 18256 P1848 035 The 5 digit P code which may appear next to the DTC is for use with the On Board Diagnostic OBD II and may be disregarded The 3 digit DTC type code is a data code and may be disregarded but the DTC type text is of use Before replacing components indicated as being faulty check all the appropriate connectors wiring and Ground...

Page 39: ... DTC recognized appearing in the display the ABS system does not function properly then proceed as follows 1 Carry out road test exceeding 20 km h 13 mph 2 Again check DTC memory if there is still no DTC stored 3 Continue troubleshooting without OBD and work through the complete Electrical check Page 01 102 Стр 16 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 40: ...wheel speed sensor G47 and rotor for damage Replace rotor speed sensor G47 Repair Manual Brake System Repair Group 45 Removing and installing parts of ABS system on front and rear axles If the malfunction occurs again ABS Control Module w EDL J104 faulty Repair Manual Brake System Repair Group 45 Hydraulic unit brake booster brake master cylinder Assembly overview Removing and installing control m...

Page 41: ...high frequency radiation e g non insulated ignition cable Read measured value block Page 01 61 Display group number 001 Damaged rotor or left front ABS wheel speed sensor G47 Excessive air gap between left front ABS wheel speed sensor G47 and rotor signal not OK Repair Manual Brake System Repair Group 45 Removing and installing parts of ABS system on front and rear axles Check left front ABS wheel...

Page 42: ...eed sensor G47 and rotor Read measured value block Page 01 61 Display group number 002 Perform output Diagnostic Test Mode DTM Page 01 74 If the malfunction occurs again Outlet valve in ABS hydraulic unit N55 faulty Repair Manual Brake System Repair Group 45 Hydraulic unit brake booster brake master cylinder Assembly overview Removing and installing control module and hydraulic unit Replace ABS hy...

Page 43: ... windings G45 faulty Repair Manual Brake System Repair Group 45 Removing and installing parts of ABS system on front and rear axles Check right front ABS wheel speed sensor G45 and rotor for damage Replace rotor right front ABS wheel speed sensor G45 If the malfunction occurs again ABS Control Module w EDL J104 faulty Repair Manual Brake System Repair Group 45 Hydraulic unit brake booster brake ma...

Page 44: ...igh frequency radiation e g non insulated ignition cable Read measured value block Page 01 61 Display group number 001 Damaged rotor or right front ABS wheel speed sensor G45 Excessive air gap between right front ABS wheel speed sensor G45 and rotor signal not OK Repair Manual Brake System Repair Group 45 Removing and installing parts of ABS system on front and rear axles Check right front ABS whe...

Page 45: ...speed sensor G45 and rotor Read measured value block Page 01 61 Display group number 002 Perform output Diagnostic Test Mode DTM Page 01 74 If the malfunction occurs again Outlet valve in ABS hydraulic unit N55 faulty Repair Manual Brake System Repair Group 45 Hydraulic unit brake booster brake master cylinder Assembly overview Removing and installing control module and hydraulic unit Replace ABS ...

Page 46: ...BS wheel speed sensor windings G44 faulty Repair Manual Brake System Repair Group 45 Removing and installing parts of ABS system on front and rear axles Check right rear ABS wheel speed sensor G44 and rotor for damage Replace rotor right rear ABS wheel speed sensor G44 If the malfunction occurs again ABS Control Module w EDL J104 faulty Repair Manual Brake System Repair Group 45 Hydraulic unit bra...

Page 47: ...h frequency radiation e g non insulated ignition cable Read measured value block Page 01 61 Display group number 001 Damaged rotor or right rear ABS wheel speed sensor G44 Excessive air gap between right rear ABS wheel speed sensor G44 and rotor signal not OK Repair Manual Brake System Repair Group 45 Removing and installing parts of ABS system on front and rear axles Check right rear ABS wheel sp...

Page 48: ...eed sensor G44 and rotor Read measured value block Page 01 61 Display group number 002 Perform output Diagnostic Test Mode DTM Page 01 74 If the malfunction occurs again Outlet valve in ABS hydraulic unit N55 faulty Repair Manual Brake System Repair Group 45 Hydraulic unit brake booster brake master cylinder Assembly overview Removing and installing control module and hydraulic unit Replace ABS hy...

Page 49: ... left rear ABS wheel speed sensor G46 Repair Manual Brake System Repair Group 45 Removing and installing parts of ABS system on front and rear axles Check left rear ABS wheel speed sensor G46 and rotor for damage Replace rotor left rear ABS wheel speed sensor G46 If the malfunction occurs again ABS Control Module w EDL J104 faulty Repair Manual Brake System Repair Group 45 Hydraulic unit brake boo...

Page 50: ...gh frequency radiation e g non insulated ignition cable Read measured value block Page 01 61 Display group number 001 Damaged rotor or left rear ABS wheel speed sensor G46 Excessive air gap between left rear ABS wheel speed sensor G46 and rotor signal not OK Repair Manual Brake System Repair Group 45 Removing and installing parts of ABS system on front and rear axles Check left rear ABS wheel spee...

Page 51: ...ed sensor G46 and rotor Read measured value block Page 01 61 Display group number 002 Perform output Diagnostic Test Mode DTM Page 01 74 If the malfunction occurs again Outlet valve in ABS hydraulic unit N55 faulty Repair Manual Brake System Repair Group 45 Hydraulic unit brake booster brake master cylinder Assembly overview Removing and installing control module and hydraulic unit Replace ABS hyd...

Page 52: ...ing diagram Perform electrical checks Page 01 102 01044 Control module incorrectly coded ABS Control Module w EDL J104 incorrectly coded Coding bridge in multi pin connector has open or short circuit Check ABS Control Module w EDL J104 coding Page 01 58 Check wiring and connections using wiring diagram Perform electrical checks Page 01 102 Стр 29 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD prog...

Page 53: ... the wiring Check wiring and connections using wiring diagram Perform electrical checks Page 01 102 If the malfunction occurs again ABS Control Module w EDL J104 faulty Repair Manual Brake System Repair Group 45 Hydraulic unit brake booster brake master cylinder Assembly overview Removing and installing control module and hydraulic unit Replace ABS control module w EDL J104 1 Type of DTC this DTC ...

Page 54: ...102 ABS hydraulic pump V64 faulty If the ABS hydraulic pump V64 runs free while electrical check test step 18 performed Page 01 102 replace ABS control module w EDL J104 ABS control module w EDL J104 faulty Repair Manual Brake System Repair Group 45 Hydraulic unit brake booster brake master cylinder Assembly overview Removing and installing control module and hydraulic unit Replace ABS control mod...

Page 55: ...short to positive or Ground in the wiring Check wiring and connections using wiring diagram Perform electrical checks Page 01 102 Drive train data bus faulty1 Sporadic Ignition starter switch turned too slowly Erase DTC memory Page 01 56 No further measures required Inform customer 1 The DTC Drive train data bus will not cause the ABS warning light K47 or warning light for brake system K118 to lig...

Page 56: ... wiring using wiring diagram Perform electrical checks Page 01 102 01315 Transmission Control Module TCM 1 No communication Read measured value block Page 01 61 display group number 125 Open circuit short to positive or Ground in data bus wiring Check wiring and connections of data bus wiring using wiring diagram Perform electrical checks Page 01 102 1 Vehicles with automatic transmission only Стр...

Page 57: ...ke control module No communication Open circuit short circuit to positive or Ground in data bus wiring Check data bus wiring and connection using wiring diagram Perform electrical checks Page 01 102 Стр 34 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 58: ... code Check engine control module DTC memory 65535 Control module faulty ABS Control Module w EDL J104 faulty Repair Manual Brake System Repair Group 45 Hydraulic unit brake booster brake master cylinder Assembly overview Removing and installing control module and hydraulic unit Replace ABS control module w EDL J104 Стр 35 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 59: ... Erasing DTC memory Press key Rapid data transfer HELP Select function XX Indicated on display Press keys 0 and 5 05 enters Erase DTC memory function Rapid data transfer Q 05 Erase DTC memory Indicated on display Confirm entry with Q key Rapid data transfer DTC memory is erased Indicated on display Press key Rapid data transfer HELP Select function XX Indicated on display Стр 36 из 81 ABS ITT Mk 2...

Page 60: ...ata transfer Q 06 End output Indicated on display Confirm input with Q key Rapid data transfer HELP Select function XX Indicated on display ABS warning light K47 and warning light for brake system K118 must go out after approx 2 seconds Switch ignition off Disconnect V A G 1551 Scan Tool at Data Link Connector DLC Switch ignition on Стр 37 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 61: ...rol module w EDL J104 must be recoded if the vehicle relevant coding is not displayed or the control module has been replaced Coding is only possible after the workshop code WSC has been entered into the V A G 1551 Scan Tool Test sequence Connect V A G 1551 Scan Tool and select address word 03 Brake electronics with ignition switched on Page 01 23 Establish which type of ABS hydraulic control modu...

Page 62: ... Confirm input with Q key Coding control module Q Enter code number XXXXX 0 32000 Indicated on display Enter relevant code number for this vehicle and confirm with Q key Coding variations Page 01 60 1J0 907 379 D ABS 20 IE CAN 0001 Coding 03604 WSC 00000 On the display the control module identification and coding are displayed e g Стр 39 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 63: ...504 AFP ABS EDL 13204 AFP ABS EDL ASR 03504 ALH ABS 13504 ALH ABS EDL 13204 APH ABS EDL ASR Стр 40 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program Volkswagen Technical Site http volkswagen msk ru http vwts info http vwts ru огромный архив документации по автомобилям Volkswagen Skoda Seat Audi ...

Page 64: ...test data delivers information on the operational condition of the system and or sensors connected to it In many cases the transferred test data supports troubleshooting and repair The test data has been summarized into single display groups because all the information cannot be evaluated at the same time The information can be selected via display group numbers Стр 41 из 81 ABS ITT Mk 20 IE On Bo...

Page 65: ...ruments must be secured to rear seat and operated by a 2nd person from this location When test and measuring instruments are operated from the front passenger seat there is a danger that the person sitting there could be injured in an accident when the airbag is triggered Стр 42 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 66: ...lay Press keys 0 and 8 to select function Read measured value block Rapid data transfer Q 08 Read measured value block Indicated on display Confirm entry with key Q Read measured value block Enter display group number XXX Indicated on display Enter display group number List of selectable display group numbers Page 01 64 Стр 43 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 67: ...3 Wheel speed at left rear speed sensor km h 4 Wheel speed at right rear speed sensor km h 002 1 Wheel speed at left front speed sensor km h 2 Wheel speed at right front wheel sensor km h 3 Wheel speed at left rear speed sensor km h 4 Wheel speed at right rear speed sensor km h 003 1 Brake light switch 2 Vacant 3 Vacant 4 Vacant Стр 44 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 68: ... G251 1 2 Vacant 3 Vacant 4 Vacant 125 1 Data bus for engine 2 Data bus for four wheel drive1 3 Data bus for transmission2 4 Vacant 1 Four wheel drive vehicles with Haldex coupling only 2 Vehicles with automatic transmission only Стр 45 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 69: ...sured value block Decoding the individual values in display zones 1 to 4 can be read from the following tables Read measured value block 1 0 km h 0 km h 0 km h 0 km h Indicated on display vehicle stationary Press C key for the next display group number entry If the key is pressed keys 0 and 8 for work sequence Read measured value block must be pressed again afterwards to regain entry Стр 46 из 81 ...

Page 70: ...y hand by a 2nd mechanic Read measured value block 1 Display group number 001 0 km h 4 km h 0 km h 0 km h Indicated on display Example Wheel speed at right rear speed sensor 0 to 255 km h Wheel speed at left rear speed sensor 0 to 255 km h Wheel speed at right front speed sensor 0 to 255 km h Wheel speed at left front speed sensor 0 to 255 km h Стр 47 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD...

Page 71: ...vidual values in display zones 1 to 4 can be read from the following tables Read measured value block 2 255 km h 255 km h 255 km h 255 km h Indicated on display Vehicle stationary Press C key for the next display group number entry If the key is pressed keys 0 and 8 for work sequence Read measured value block must be pressed again afterwards to regain entry Стр 48 из 81 ABS ITT Mk 20 IE On Board D...

Page 72: ...ed sensor 0 to 255 km h Wheel speed at left rear speed sensor 0 to 255 km h Wheel speed at right front speed sensor 0 to 255 km h Wheel speed at left front speed sensor 0 to 255 km h 1 If the deviations in display zones 1 and 2 are greater than 6 km h approx 3 75 mph the following malfunctions may be present 2 If the deviations in display zones 3 and 4 are greater than 2 km h approx 1 25 mph the f...

Page 73: ...n the measured value block Decoding the individual values in display zones 1 to 4 can be read from the following tables Read measured value block 3 0 Indicated on display Press C key for the next display group number entry If the key is pressed keys 0 and 8 for work sequence Read measured value block must be pressed again afterwards to regain entry Стр 50 из 81 ABS ITT Mk 20 IE On Board Diagnostic...

Page 74: ...ot pressed foot brake a 1 is displayed on the V A G 1551 display perform test step No 4 of Electrical check Page 01 102 There is also a possibility that the brake light switch has not been correctly adjusted Adjusting brake light switch Page 01 131 0 Brake pedal not depressed 1 Brake pedal depressed Стр 51 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 75: ... the individual values in display zones 1 to 4 can be read from the following tables Read measured value block 125 Engine 1 4WD 1 Gear 1 Indicated on display vehicle stationary Press C key for the next display group number entry If the key is pressed keys 0 and 8 for work sequence Read measured value block must be pressed again afterwards to regain entry Стр 52 из 81 ABS ITT Mk 20 IE On Board Diag...

Page 76: ...ngine 1 Data bus connection is available 0 Data bus connection is not available 1 Vehicles with automatic transmission only Incorrect transmission control module or incorrect transmission control module coding Transmission control module faulty Repair Group 01 for relevant transmission code 2 All wheel drive vehicles with Haldex coupling only 3 Data bus connection is interrupted or data bus wires ...

Page 77: ...must be raised until all wheels are free to turn 2nd mechanic required to rotate wheels The C key can be used to exit the test sequence at any time After depressing the brake pedal several times the vacuum in the brake booster will be exhausted Therefore more pressure must be applied to the brake pedal in order to attain the same fluid pressure in brake system as that attained with vacuum When vac...

Page 78: ...l FL locked IFL Inlet valve Front Left VBAT Voltage Battery Voltage at valve OFL Outlet valve Front Left 0V 0 Volt No voltage at valve Locked free Wheel condition must be checked by 2nd mechanic if required Output Diagnostic Test Mode EDL valves Hyd P VBAT Wheel FL FR locked Hydr P Hydraulic pump Стр 55 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 79: ...electronics address word 03 Page 01 23 Rapid data transfer Q 03 Brake electronics Indicated on display Note During the next work steps the ABS warning light K47 flashes Confirm entry with key Q Read off control module version in V A G 1551 display Press key Стр 56 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 80: ... V64 Indicated on display Press key Output Diagnostic Test Mode Operate brakes Indicated on display Operate brake pedal Press key Output Diagnostic Test Mode IFL 0V OFL 0V Wheel FL locked Indicated on display Note If the wheel does not lock there is a possibility that there is a malfunction in the mechanical hydraulic part of the brake system Indicate to 2nd mechanic which wheel requires turning b...

Page 81: ...ake master cylinder Assembly overview Removing and installing control module and hydraulic unit Press key ABS hydraulic pump V64 must run Brake pedal must not give Output Diagnostic Test Mode IFL VBAT OFL VBAT Wheel FL free Indicated on display Note If the wheel locks there is a possibility that the brake lines to the wheel calipers cylinders have been interchanged Indicate to 2nd mechanic which w...

Page 82: ...draulic unit brake booster brake master cylinder Assembly overview Removing and installing control module and hydraulic unit Press key Brake pedal must give perceptibly Output Diagnostic Test Mode IFL 0V OFL 0V Wheel FL locked Indicated on display Note If the wheel does not lock there is a possibility that there is a malfunction in the mechanical hydraulic part of the brake system Indicate to 2nd ...

Page 83: ...display Operate brake pedal Press key Output Diagnostic Test Mode IFR 0V OFR 0V Wheel FR locked Indicated on display Note If the wheel does not lock there is a possibility that there is a malfunction in the mechanical hydraulic part of the brake system Indicate to 2nd mechanic which wheel requires turning by hand Стр 60 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 84: ...ake master cylinder Assembly overview Removing and installing control module and hydraulic unit Press key ABS hydraulic pump V64 must run Brake pedal must not give Output Diagnostic Test Mode IFR VBAT OFR VBAT Wheel FR free Indicated on display Note If the wheel locks there is a possibility that the brake lines to the wheel calipers cylinders have been interchanged Indicate to 2nd mechanic which w...

Page 85: ...draulic unit brake booster brake master cylinder Assembly overview Removing and installing control module and hydraulic unit Press key Brake pedal must give perceptibly Output Diagnostic Test Mode IFR 0V OFR 0V Wheel FR locked Indicated on display Note If the wheel does not lock there is a possibility that there is a malfunction in the mechanical hydraulic part of the brake system Indicate to 2nd ...

Page 86: ...display Operate brake pedal Press key Output Diagnostic Test Mode IRL 0V ORL 0V Wheel RL locked Indicated on display Note If the wheel does not lock there is a possibility that there is a malfunction in the mechanical hydraulic part of the brake system Indicate to 2nd mechanic which wheel requires turning by hand Стр 63 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 87: ...ake master cylinder Assembly overview Removing and installing control module and hydraulic unit Press key ABS hydraulic pump V64 must run Brake pedal must not give Output Diagnostic Test Mode IRL VBAT ORL VBAT Wheel RL free Indicated on display Note If the wheel locks there is a possibility that the brake lines to the wheel calipers cylinders have been interchanged Indicate to 2nd mechanic which w...

Page 88: ...draulic unit brake booster brake master cylinder Assembly overview Removing and installing control module and hydraulic unit Press key Brake pedal must give perceptibly Output Diagnostic Test Mode IRL 0V ORL 0V Wheel RL locked Indicated on display Note If the wheel does not lock there is a possibility that there is a malfunction in the mechanical hydraulic part of the brake system Indicate to 2nd ...

Page 89: ...display Operate brake pedal Press key Output Diagnostic Test Mode IRR 0V ORR 0V Wheel RR locked Indicated on display Note If the wheel does not lock there is a possibility that there is a malfunction in the mechanical hydraulic part of the brake system Indicate to 2nd mechanic which wheel requires turning by hand Стр 66 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 90: ...ake master cylinder Assembly overview Removing and installing control module and hydraulic unit Press key ABS hydraulic pump V64 must run Brake pedal must not give Output Diagnostic Test Mode IRR VBAT ORR VBAT Wheel RR free Indicated on display Note If the wheel locks there is a possibility that the brake lines to the wheel calipers cylinders have been interchanged Indicate to 2nd mechanic which w...

Page 91: ...draulic unit brake booster brake master cylinder Assembly overview Removing and installing control module and hydraulic unit Press key Brake pedal must give perceptibly Output Diagnostic Test Mode IRR 0V ORR 0V Wheel RR locked Indicated on display Note If the wheel does not lock there is a possibility that there is a malfunction in the mechanical hydraulic part of the brake system Indicate to 2nd ...

Page 92: ...2nd mechanic is required to rotate the respective wheel by hand If the wheels do not lock there is a malfunction in the hydraulic part of the ABS system In this case the hydraulic unit must be replaced Repair Manual Brake System Repair Group 45 Hydraulic unit brake booster brake master cylinder Assembly overview Removing and installing control module and hydraulic unit Стр 69 из 81 ABS ITT Mk 20 I...

Page 93: ...DTM is completed Press key Rapid data transfer HELP Select function XX Indicated on display Note There is a malfunction in the system if the ABS warning light K47 does not go out Adhere exactly to test sequence First check Diagnostic Trouble Code DTC memory then erase End output Function 06 Page 01 56 Стр 70 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 94: ...ired when one chamber of the brake fluid reservoir is completely empty The basic setting is used to bleed the hydraulic unit only The brake system must be bleed separately Repair Manual Brake System Repair Group 47 VAS 5234 Brake filler and bleeder unit Display group 001 is required to bleed the hydraulic system Page 01 91 Стр 71 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 95: ...eeder unit Connect V A G 1551 Scan Tool and select address word 03 Brake electronics with ignition switched on Page 01 23 Rapid data transfer HELP Select function XX Indicated on display Press keys 0 and 4 The function Initiating basic setting is selected with 04 Rapid data transfer Q 04 Basic setting Indicated on display Confirm entry with key Q Стр 72 из 81 ABS ITT Mk 20 IE On Board Diagnostic O...

Page 96: ...own Hydraulic pump runs Pedal comes back System in basic setting 1 Rel pedal FR FL bleed screw OPEN 3 Indicated on display Press key 3 on V A G 1551 or arrow up key on VAS 5051 System in basic setting 2 Please wait 10 secs Indicated on display Hydraulic pump runs System in basic setting 2 Depr pedal 10X bleed screw CLOSED 3 Indicated on display Press key 3 on V A G 1551 or arrow up key on VAS 5051...

Page 97: ...tting 3 Rel pedal FR FL bleed screw OPEN 3 Indicated on display Press key 3 on V A G 1551 or arrow up key on VAS 5051 System in basic setting 4 Please wait 10 secs Indicated on display Hydraulic pump runs System in basic setting 4 Depr pedal 10X bleed screw CLOSED 3 Indicated on display Press key 3 on V A G 1551 or arrow up key on VAS 5051 Стр 74 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD prog...

Page 98: ...tting 5 Rel pedal FR FL bleed screw OPEN 3 Indicated on display Press key 3 on V A G 1551 or arrow up key on VAS 5051 System in basic setting 6 Please wait 10 secs Indicated on display Hydraulic pump runs System in basic setting 6 Depr pedal 10X bleed screw CLOSED 3 Indicated on display Press key 3 on V A G 1551 or arrow up key on VAS 5051 Стр 75 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD prog...

Page 99: ...tting 7 Rel pedal FR FL bleed screw OPEN 3 Indicated on display Press key 3 on V A G 1551 or arrow up key on VAS 5051 System in basic setting 8 Please wait 10 secs Indicated on display Hydraulic pump runs System in basic setting 8 Depr pedal 10X bleed screw CLOSED 3 Indicated on display Press key 3 on V A G 1551 or arrow up key on VAS 5051 Стр 76 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD prog...

Page 100: ...ting 9 Rel pedal FR FL bleed screw OPEN 3 Indicated on display Press key 3 on V A G 1551 or arrow up key on VAS 5051 System in basic setting 10 Please wait 10 secs Indicated on display Hydraulic pump runs System in basic setting 10 Depr pedal 10X bleed screw CLOSED 3 Indicated on display Press key 3 on V A G 1551 or arrow up key on VAS 5051 Стр 77 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD pro...

Page 101: ...ting 11 Rel pedal FR FL bleed screw OPEN 3 Indicated on display Press key 3 on V A G 1551 or arrow up key on VAS 5051 System in basic setting 12 Please wait 10 secs Indicated on display Hydraulic pump runs System in basic setting 12 Depr pedal 10X bleed screw CLOSED 3 Indicated on display Press key 3 on V A G 1551 or arrow up key on VAS 5051 Стр 78 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD pr...

Page 102: ...Rel pedal FR FL bleed screw OPEN 3 Indicated on display Press key 3 on V A G 1551 or arrow up key on VAS 5051 System in basic setting 14 Please wait 10 secs Indicated on display Hydraulic pump runs System in basic setting 14 Depr pedal 10X bleed screw CLOSED 3 Indicated on display Press key 3 on V A G 1551 or arrow up key on VAS 5051 Стр 79 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD program ...

Page 103: ...tting 15 Rel pedal FR FL bleed screw OPEN 3 Indicated on display Press key 3 on V A G 1551 or arrow up key on VAS 5051 System in basic setting 16 Please wait 10 secs Indicated on display Hydraulic pump runs System in basic setting 16 Depr pedal 10X bleed screw CLOSED 3 Indicated on display Press key 3 on V A G 1551 or arrow up key on VAS 5051 Стр 80 из 81 ABS ITT Mk 20 IE On Board Diagnostic OBD p...

Page 104: ...nfirm entry with Q key Rapid data transfer Help Enter address word XX Indicated on display The basic setting is used to bleed the hydraulic unit only The brake system must be bleed separately Repair Manual Brake System Repair Group 47 Bleeding brake system vehicles with and without ABS Press C key Switch ignition off Disconnect connections to V A G 1551 Scan Tool Bleed brake system Стр 81 из 81 AB...

Page 105: ...EDL ASR ITT Mark 20 IE electrical check Special tools and equipment V A G 1598 21 Adapter V A G 1594 A Adapter set V A G 1526 A Multimeter V A G 1921 Pliers Стр 1 из 31 ABS ABS EDL and ABS EDL ASR ITT Mark 20 IE electrical check ...

Page 106: ... the complete electrical check For vehicles on which the OBD provides a direct indication of the source of the malfunction only carry out the test steps recommended in the Diagnostic Trouble Code DTC table directed entry An overview of all the test steps in the electrical check can be found on Page 01 109 Стр 2 из 31 ABS ABS EDL and ABS EDL ASR ITT Mark 20 IE electrical check ...

Page 107: ...d S179 must be OK remove fuses from fuse holder to check Removing air cleaner Pull connector 2 off mass air flow sensor Release spring type clip 1 on air duct hose with pliers V A G 1921 and pull hose off air cleaner Remove air cleaner bolts 3 and take out air cleaner 4 Стр 3 из 31 ABS ABS EDL and ABS EDL ASR ITT Mark 20 IE electrical check ...

Page 108: ...arrow 2 The specified values are matched to the V A G 1526 and are not necessarily applicable for other test units Connect test box V A G 1598 21 1 to multi pin connector of ABS control module w EDL J104 2 Стр 4 из 31 ABS ABS EDL and ABS EDL ASR ITT Mark 20 IE electrical check ...

Page 109: ...rs for voltage supply and On Board Diagnostic OBD with V A G 1551 Scan Tool Contact 4 Ground terminal 31 Contact 16 Positive terminal 30 to S12 Contact 7 K wire to contact 7 of multi pin connector T25 of ABS control module w EDL J104 Contact assignment of connector T25 wiring harness ABS control module w EDL J104 Стр 5 из 31 ABS ABS EDL and ABS EDL ASR ITT Mark 20 IE electrical check ...

Page 110: ...nnector T16 7 K wire 8 Ground point left in engine compartment and Ground connection in engine compartment wiring harness 9 Voltage supply from battery 10 Data bus wire Wiring diagrams 11 Data bus wire Wiring diagrams 12 Vehicles with navigation system only Стр 6 из 31 ABS ABS EDL and ABS EDL ASR ITT Mark 20 IE electrical check Volkswagen Technical Site http volkswagen msk ru http vwts info http v...

Page 111: ...ght K47 activation 17 Longitudinal acceleration sensor G251 four wheel drive vehicles with Haldex coupling only 18 Brake light switch F 19 Right front ABS wheel speed sensor G45 20 Right front ABS wheel speed sensor G45 21 Vehicles with navigation system only 22 Right rear ABS wheel speed sensor G44 23 Right rear ABS wheel speed sensor G44 24 Ground point left in engine compartment and Ground conn...

Page 112: ...ht switch F Perform test step 4 Resistance of right front ABS wheel speed sensor G45 Perform test step 5 Resistance of left front ABS wheel speed sensor G47 Perform test step 6 Resistance of right rear ABS wheel speed sensor G44 Perform test step 7 Resistance of rear left ABS wheel speed sensor G46 Perform test step 8 Voltage signal of right front ABS wheel speed sensor G45 Perform test step 9 Vol...

Page 113: ...ic OBD T16 connector Perform test step 15 Function of ABS warning light K47 Perform test step 16 Function of warning light for brake system K118 Perform test step 17 Function of ABS hydraulic pump V64 Perform test step 18 Check of data bus wiring Perform test step 19 Activation of longitudinal acceleration sensor G251 1 Perform test step 20 Function of ESP Control lamp K155 Perform test step 21 1 ...

Page 114: ...the table Electrical Wiring Diagrams Troubleshooting Component Locations binder Continuity checks with adapter set V A G 1594 A bridging If the measured figures only deviate slightly from the specifications clean sockets and connectors of the testers and adapter cables with contact spray G 000 700 04 and repeat check Before replacing components check wiring and connections and also particularly fo...

Page 115: ...dule w EDL J104 Ignition switched off 10 0 to 14 5 V Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wire using wiring diagram 2 9 24 Voltage supply for the valves in ABS hydraulic unit N55 to ABS Control Module w EDL J104 Ignition switched off 10 0 to 14 5 V Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wire using wiring diagram Стр 11 из ...

Page 116: ...agrams Troubleshooting Component Locations binder Check wire using wiring diagram 4 8 18 Function of brake light switch F Ignition switched off Brake pedal not depressed 0 0 to 0 5 V Electrical Wiring Diagrams Troubleshooting Component Locations binder Check brake light switch F and Read measured value block display group 003 Check wiring using wiring diagram Press brake pedal approx battery volta...

Page 117: ...1 0 to 1 3 k Electrical Wiring Diagrams Troubleshooting Component Locations binder If no malfunction can be located in the wiring Repair Manual Brake System Repair Group 45 Removing and installing parts of ABS system on front and rear axles Separate connector on right front ABS wheel speed sensor G45 Check wiring using wiring diagram Wiggle wiring during test Replace right front ABS wheel speed se...

Page 118: ...1 0 to 1 3 k Electrical Wiring Diagrams Troubleshooting Component Locations binder If no malfunction can be located in the wiring Repair Manual Brake SystemRepair Group 45 Removing and installing parts of ABS system on front and rear axles Separate connector on left front ABS wheel speed sensor G47 Check wiring using wiring diagram Wiggle wiring during test Replace left front ABS wheel speed senso...

Page 119: ...1 0 to 1 3 k Electrical Wiring Diagrams Troubleshooting Component Locations binder If no malfunction can be located in the wiring Repair Manual Brake System Repair Group 45 Removing and installing parts of ABS system on front and rear axles Separate connector on right rear ABS wheel speed sensor G44 Check wiring using wiring diagram Wiggle wiring during test Replace right rear ABS wheel speed sens...

Page 120: ...1 0 to 1 3 k Electrical Wiring Diagrams Troubleshooting Component Locations binder If no malfunction can be located in the wiring Repair Manual Brake System Repair Group 45 Removing and installing parts of ABS system on front and rear axles Separate connector on left rear ABS wheel speed sensor G46 Check wiring using wiring diagram Wiggle wiring during test Replace left rear ABS wheel speed sensor...

Page 121: ...mV alternating voltage Check whether right front ABS wheel speed sensor G45 has been interchanged and Read measured value block Page 01 61 display group number 001 10 1 2 Left front ABS wheel speed sensor G47 voltage signal Vehicle raised Check installation of left front ABS wheel speed sensor G47 and rotor Ignition switched off Rotate front left wheel at approx 1 rev sec min 65 mV alternating vol...

Page 122: ... mV alternating voltage Check whether right rear ABS wheel speed sensor G44 has been interchanged and Read measured value block Page 01 61 display group number 001 12 6 5 Left rear ABS wheel speed sensor G46 voltage signal Vehicle raised Check installation of left rear ABS wheel speed sensor G46 and rotor Ignition switched off Rotate rear left wheel at approx 1 rev sec min 190 mV alternating volta...

Page 123: ...ons Additional operations Specification Measures for deviations from specification 13 3 14 Coding bridge Ignition switched off 0 0 to 1 0 Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram Стр 19 из 31 ABS ABS EDL and ABS EDL ASR ITT Mark 20 IE electrical check ...

Page 124: ... 14 Supply voltage for V A G 1551 connector T161 Ignition switched off Connect multimeter V A G 1526 using adapter set V A G 1594 to connector T161 10 0 to 14 5 V Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram 1 Diagnostic connection contact assignment Page 01 106 Стр 20 из 31 ABS ABS EDL and ABS EDL ASR ITT Mark 20 IE electrical check ...

Page 125: ...nnect multi pin connector from ABS control module w EDL J104 max 1 5 Check wiring using wiring diagram Electrical Wiring Diagrams Troubleshooting Component Locations binder Connect test box V A G 1598 21 Connect multimeter V A G 1526 to contacts T16 71 and T25 7 of multi pin connectors from ABS control module w EDL J104 using adapter set V A G 1594 1 Diagnostic connection contact assignment Page 0...

Page 126: ... 16 Function of ABS warning light K47 Switch ignition on ABS warning light K47 lights up for approx 2 seconds and goes out again Electrical Wiring Diagrams Troubleshooting Component Locations binder Repair Manual Body Interior Repair Group 70 Check wiring using wiring diagram Malfunction in instrument cluster Стр 22 из 31 ABS ABS EDL and ABS EDL ASR ITT Mark 20 IE electrical check ...

Page 127: ...ng Diagrams Troubleshooting Component Locations binder Check brake fluid level warning switch F34 in sealing cap Pull connectors off both front speed sensors Start engine and run at more than 2000 rpm Warning light K118 lights up and 3 warnings are sounded Electrical Wiring Diagrams Troubleshooting Component Locations binder Repair Manual Body Interior Repair Group 70 Check wiring using wiring dia...

Page 128: ...off Pull hydraulic pump V64 connector T2 off control module Connect Ground to connector T2 1 and battery voltage to connector T2 2 on hydraulic pump Hydraulic pump runs without malfunction max 10 secs Perform output Diagnostic Test Mode DTM Page 01 74 Replace control module Hydraulic pump does not run Repair Manual Brake System Repair Group 45 Replace hydraulic unit Стр 24 из 31 ABS ABS EDL and AB...

Page 129: ...nition switched off Set to measuring range 200 Disconnect multi pin connection from a control module which is connected via data bus wiring Connect test box V A G 1598 21 Check data bus wiring for open circuit max 1 5 Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram Test step 19 Continued on next page Стр 25 из 31 ABS ABS EDL and ABS EDL ASR I...

Page 130: ...cation Measures for deviations from specification 19 Set to measuring range 20 M Remove fuse S9 Check wiring for short circuit to positive or earth Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram Стр 26 из 31 ABS ABS EDL and ABS EDL ASR ITT Mark 20 IE electrical check ...

Page 131: ...for longitudinal acceleration sensor G251 Disconnect multi pin connector T25 from ABS control module w EDL J104 Connect test box V A G 1598 21 Check wiring between multi pin connector for longitudinal acceleration sensor G251 and multi pin connector for ABS control module w EDL J104 for open circuit max 1 5 Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wi...

Page 132: ...ication Measures for deviations from specification Set to measuring range 20 M Remove fuse S9 Check wiring for short circuit to positive or Ground Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram Стр 28 из 31 ABS ABS EDL and ABS EDL ASR ITT Mark 20 IE electrical check ...

Page 133: ...ion 21 Function of ESP Control lamp K155 Switch ignition on ESP Control lamp K155 lights up for 2 seconds and goes out again Electrical Wiring Diagrams Troubleshooting Component Locations binder Repair Manual Body Interior Repair Group 70 Check wiring using wiring diagram Malfunction in instrument cluster Стр 29 из 31 ABS ABS EDL and ABS EDL ASR ITT Mark 20 IE electrical check ...

Page 134: ...rough 90 Pull brake light switch plunger fully out Press brake pedal down as far as possible by hand Guide brake light switch through assembly opening and reinstall by turning 90 to right Release brake pedal Connect brake light switch connector Install driver s side stowage tray if necessary Operate brake pedal Brake lights light up Take foot off brake pedal Brake lights do not light up Стр 30 из ...

Page 135: ...switch fully into opening pressing plunger against pedal to adjust Seat switch by turning it 45 clockwise This action also turns the plunger shoe into the correct orientation to make electrical contracts in switch operate as well as locks in plunger adjustment Connect brake light switch connector Operate brake pedal to verify proper function Reinstall lower cover panel Стр 31 из 31 ABS ABS EDL and...

Page 136: ...ation Program is an electronic dynamics Program EDP It stabilizes the vehicle when oversteering or understeering The ESP works over the whole speed range If the ESP is regulating the system the ESP warning lamp will flash 3 times per second The ESP is a further extension of the familiar vehicle safety systems ESP increases control over the vehicle in critical situations It reduces the danger of sk...

Page 137: ...malfunctions via the electrical connection to the control module are recognized e g speed sensor open circuit The 47 pin ABS Control Module w EDL J104 forms with the hydraulic unit a compact unit The unit is located on the left of the engine compartment The control module is equipped with a DTC memory The Data Link Connector DLC is located in the center console below the heating air conditioning c...

Page 138: ...e engine the ABS warning light K47 and the ESP control lamp K155 will light up for approx 2 seconds During this period a test sequence self check is run in the control module for the following functions To check if the supply voltage is at least 10 0 Volt To check control module including the valve windings To check the coding of the control module A static check of the speed sensor no speed signa...

Page 139: ...ith ABS EDL If a chamber in the brake fluid reservoir has run empty basic setting must be performed for bleeding the brakes Page 01 264 V A G 1551 scan tool or tester VAS 5051 The On Board Diagnostic must be initiated at the commencement of troubleshooting Electrical malfunctions which influence the braking characteristics will be stored They can be checked with the V A G 1551 Scan Tool Vehicles s...

Page 140: ...ed by vacuum pressure Distinguishing features 1 10 brake booster 2 Hydraulic unit 3 Control module 47 pin bolted to hydraulic unit Two 4 8 mm wide contacts are located at each end of the connection Стр 5 из 10 ABS Mark 60 On Board Diagnostic OBD vehicles from my 10 00 ...

Page 141: ...79 C J ABS 1C0 907 379 D K ABS EDL ASR 1C0 907 379 E G ABS EDL ASR ESP 1C0 907 379 F H ABS EDL ASR ESP 4MOTION Diagnostic Trouble Code DTC memory A non volatile memory ensures that the contents of the DTC memory are retained even without voltage Data output takes place on V A G 1551 scan tool in operating mode 1 rapid data transfer and on tester VAS 5051 in operating mode vehicle OBD Стр 6 из 10 A...

Page 142: ...tched off Observe the appropriate instructions regarding the handling of brake fluid Repair Manual Brake System Repair Group 47 ABS malfunctions are indicated by the ABS warning light illuminating Certain malfunctions will only be recognized at speeds above 20 km h approx 13 mph carry out road test If the ABS K47 and the brake system K118 warning lights do not illuminate but the brake system is no...

Page 143: ...nformation Electrical Wiring Diagrams Troubleshooting Component Locations binder Repair Manual Brake System Repair Manual Suspension Wheels Steering Стр 8 из 10 ABS Mark 60 On Board Diagnostic OBD vehicles from my 10 00 ...

Page 144: ... Compare control module identification Select address word 03 Brake electronics Check DTC memory 02 Correct DTCs using DTC table No DTCs recognized Read measured value block 08 Perform output Diagnostic Test Mode DTM 03 Replace comp 1 Perform test drive at more than 20 km h 2 Check DTC memory 02 again 3 No DTCs recognized is displayed again A B C D E Стр 9 из 10 ABS Mark 60 On Board Diagnostic OBD...

Page 145: ...anual Brake System Replace control module Connect V A G 1551 scan tool or tester VAS 5051 and check DTC memory 02 Erase DTC memory 05 Perform test drive at more than 20 km h 13 mph and allow the ABS regulate braking Check DTC memory after test drive If No DTC recognized appears on display of V A G 1551 scan tool or tester VAS 5051 after repair DTCs and perform test drive the On Board Diagnostic OB...

Page 146: ...draulic unit N55 Located on left of engine compartme The ABS hydraulic pump V64 and th inlet outlet valves i hydraulic unit are checked by On Bo Diagnostic OBD The ABS hydraulic pump V64 and va block must not be separated from on another Removing and installing When changing th hydraulic unit alwa seal the old part w the plugs from the repair set Part No 698 311 A Стр 1 из 17 Electrical electronic...

Page 147: ...BD Checking the multi pin connector to control module Page 01 292 Do not disconnect connector before successfully completing On Board Diagnostic OBD Switch ignition off before separating connection When the ABS Control Module w EDL J104 is replaced a zero compensation must be performed Стр 2 из 17 Electrical electronic components and installing locations ...

Page 148: ...Initiate basic setting Page 01 264 perform display group numbers 060 063 066 and 069 Стр 3 из 17 Electrical electronic components and installing locations ...

Page 149: ... Sender for Rotation Rate G202 Vehicles with ABS EDL ASR ESP only Location Under instrument panel next to steering column Checked by OBD Can be checked via read measured value block Page 01 240 Observe installation instructions Стр 4 из 17 Electrical electronic components and installing locations ...

Page 150: ...r instrument panel next to steering column Checked by OBD Can be checked via read measured value block Page 01 240 Observe installation instructions When the sensor for transverse acceleration G200 is replaced a zero compensation must be performed Initiate basic setting Page 01 264 perform display group number 063 Стр 5 из 17 Electrical electronic components and installing locations ...

Page 151: ...of instrument panel Checked by OBD Can be checked via read measured value block Page 01 240 Observe installation instructions When the lateral acceleration sensor G251 is replaced a zero compensation must be performed Initiate basic setting Page 01 264 perform display group number 069 Стр 6 из 17 Electrical electronic components and installing locations ...

Page 152: ...sor for transverse acceleration G200 sender for rotation rate G202 and longitudinal acceleration sensor1 G251 Assembled together in one housing Checked electrically by On Board Diagnostic OBD Combined in one housing Can be checked via read measured value block Page 01 240 Observe installation instructions When the Стр 7 из 17 Electrical electronic components and installing locations ...

Page 153: ...ced a zero compensation must be performed Initiate basic setting Page 01 264 perform display group numbers 063 and 069 1 4Motion vehicles with Haldex clutch only Стр 8 из 17 Electrical electronic components and installing locations ...

Page 154: ...r G201 Vehicles with ABS EDL ASR ESP only Checked by OBD Can be checked via read measured value block Page 01 240 Removing and installing When the sender 1 for brake booster G201 is replaced a zero compensation must be performed Initiate basic setting Page 01 264 perform display group number 066 Стр 9 из 17 Electrical electronic components and installing locations ...

Page 155: ...ing column between steering wheel and steering column switch Checked by OBD Can be checked via read measured value block Page 01 240 Observe installation instructions When the steering angle sensor G85 is replaced a zero compensation must be performed Introduce basic setting Page 01 264 perform display group number 060 Стр 10 из 17 Electrical electronic components and installing locations ...

Page 156: ...r Group 46 10 Brake system vacuum pump V192 Not installed in all vehicles Location left of subframe Checked by OBD in engine control module Removing and installing Checking 11 Brake light switch F The brake light switch is open in the rest position Can be checked via read measured value block Page 01 240 Adjusting Стр 11 из 17 Electrical electronic components and installing locations ...

Page 157: ...Brake pedal Assembly overview Adjusting brake light switch Стр 12 из 17 Electrical electronic components and installing locations ...

Page 158: ...BS EDL ASR ESP only 14 ABS warning light K47 Location In the instrument cluster Function Page 01 155 15 Warning light for brake system K118 Location In the instrument cluster Function Page 01 155 16 ASR ESP Control Lamp K155 Location In the instrument cluster Function Page 01 155 Стр 13 из 17 Electrical electronic components and installing locations ...

Page 159: ... coat with lubricating paste G 000 650 When connecting the speed sensor wire make sure it is not twisted in the wheel housing Securing bolt tightening torque 10 Nm 7 4 ft lb 18 Wheel hub with rotor for speed sensors Rotor and speed sensors for left front and right hand sides are identical Removing and installing Стр 14 из 17 Electrical electronic components and installing locations ...

Page 160: ...Steering Repair Group 40 Servicing front suspension II Servicing wheel bearings Стр 15 из 17 Electrical electronic components and installing locations ...

Page 161: ... mounting and coat with lubricating paste G 000 650 When connecting the speed sensor wire make sure it is not twisted in the wheel housing Securing bolt tightening torque 10 Nm 7 4 ft lb 20 Wheel hub with rotor for speed sensors Rotor and speed sensors for left rear and right hand sides are identical Removing and installing Стр 16 из 17 Electrical electronic components and installing locations ...

Page 162: ...wheel bearings Стр 17 из 17 Electrical electronic components and installing locations ...

Page 163: ...ed by warning lights K47 K118 and K155 Warning lamps Item Designation 1 ABS warning light K47 2 Warning light for brake system K118 3 ASR ESP Control Lamp K155 Стр 1 из 4 Diagnostic Trouble Codes DTCs displayed by warning lights K47 K118 and K155 ...

Page 164: ... off with an ABS malfunction b but the brake system remains fully operational c Since the last time the vehicle was started there was a temporary speed sensor malfunction In the case of a sensor malfunction c the ABS warning light K47 will extinguish after restarting the engine and attaining a speed of above 20 km h approx 13 mph d The connection from instrument cluster to ABS Control Module w EDL...

Page 165: ...out but the warning light for brake system K118 2 remains on then the malfunction may be a The parking brake is applied b There is a malfunction in the activation of the warning light for brake system K118 c The brake fluid level is too low If the ABS warning light K47 1 and the warning light for brake system K118 2 illuminate the ABS system is faulty and the EBD Electronic brake pressure distribu...

Page 166: ... test sequence is completed then the malfunction may be a Short to positive in ASR ESP button E256 b There is a malfunction in the activation of the ESP control lamp K155 c The ASR ESP system has been switched off via ASR ESP button E256 There is a malfunction present which only affects the safety systems of the ASR ESP The ABS EDL and EBD safety systems of the vehicle remain fully functional Стр ...

Page 167: ...nections not leaking visual check of hydraulic unit brake calipers wheel cylinders tandem master brake cylinder ABS Control Module w EDL J104 is correctly bolted to ABS Hydraulic Unit N55 Connector on ABS Control Module w EDL J104 correctly plugged in retainer is engaged Check contacts of ABS components for damage and correct seating All fuses according to wiring diagram OK remove fuse from fuse h...

Page 168: ...the vehicle electric system is not affected by electro magnetic interference i e the vehicle is kept away from equipment with a high current draw e g from an electric welding module Safety precautions WARNING You must always secure testing and measuring equipment on the rear seat When vehicle is being driven a second technician must operate this equipment Стр 2 из 129 On Board Diagnostic OBD perfo...

Page 169: ...ehicle Diagnosis Testing and Information System VAS 5051 Special tools and equipment VAS 5051 Vehicle Diagnosis Testing and Information System Diagnostic cable VAS 5051 1 or VAS 5051 3 The ABS function is switched off in the control module during the On Board Diagnostic OBD The Diagnostic Trouble Code DTC memory can be erased after successfully checking and repair Стр 3 из 129 On Board Diagnostic ...

Page 170: ...following test sequences are for V A G 1551 scan tool Pull cover 1 off in direction of arrow With ignition switched off connect tester VAS 5051 to Data Link Connector using diagnosis cable VAS 5051 1 or VAS 5051 3 Press button on display for Vehicle On Board Diagnostic OBD Press button 03 brake electronics on the display Press button on display for desired function Further measures see repair proc...

Page 171: ...ions that have so far been carried out with V A G 1551 can now also be carried out with the tester VAS 5051 Special tools and equipment V A G 1551 or V A G 1552 scan tool vehicle system tester V A G 1551 3 or 1551 3A adapter cable Стр 5 из 129 On Board Diagnostic OBD performing ...

Page 172: ...ction using cable V A G 1551 3 A Connect VAS 5051 Page 01 31 V A G On Board Diagnostic HELP 1 Rapid data transfer1 2 Blink code output1 Indicated on display 1 Is displayed alternately If the display remains blank check Data Link Connector connection Electrical check Page 01 288 test steps 21 and 22 Note Depending on the program additional operating information can be printed out by pressing the HE...

Page 173: ...0 and 3 03 to input address word of vehicle system to be tested Brake electronics Rapid data transfer Q 03 Brake electronics Indicated on display Confirm input with Q key 1C0 907 379 E ESP FRONT MK60 0103 Coding 0011266 WSC XXXXX And then the display shows e g Displayed is e g 1C0 907 379 E Allocation of control module see Parts catalog The control module identification number Стр 7 из 129 On Boar...

Page 174: ... functions Page 01 168 Press key Rapid data transfer HELP Select function XX Indicated on display select function e g 02 Interrogate fault memory Rapid data transfer HELP Control module does not answer Indicated on display By pressing the HELP key a list of possible fault causes is printed out After eliminating the possible causes of malfunctions enter the address word 03 for Brake electronics aga...

Page 175: ...control module Control module identification influenced during checking possibly influenced from external sources Check diagnostic wire as well as voltage supply and Ground connection for ABS Control Module w EDL J104 Electrical check Page 01 288 After repairing the possible causes of the malfunction again enter the address word 03 for Brake electronics and confirm with Q key Стр 9 из 129 On Board...

Page 176: ...onnecting tester VAS 5051 and selecting function Page 01 31 02 Check Diagnostic Trouble Code DTC memory Page 01 170 03 Output Diagnostic Test Mode DTM Page 01 74 04 Initiate basic setting Page 01 264 05 Erase DTC memory Page 01 230 06 End output Page 01 230 07 Code control module Page 01 232 08 Read measured value block Page 01 240 11 Login procedure Page 01 287 Стр 10 из 129 On Board Diagnostic O...

Page 177: ... Switch on printer with the Print key indicator lamp in key lights up Rapid data transfer HELP Select function XX Indicated on display Press key 0 twice 00 to enter Check automatic test sequence function Confirm entry with Q key 032906026BI 1 6l R4 MONO 1 3 D1 TEV Coding 00002 WSC XXXXX The V A G 1551 scan tool will show the engine control module identification is displayed first e g Thereafter al...

Page 178: ...y function Rapid data transfer Q 02 Check DTC memory Indicated on display Confirm entry with Q key X DTCs recognized The number of stored DTCs or No DTC recognized appears in the display Press key The stored DTCs are displayed and printed out one after the other With DTC information print out eliminate malfunction according to DTC table Page 01 189 As with No DTC recognized the program returns to ...

Page 179: ...air malfunction according to DTC table Page 01 189 2 Check DTC memory Function 02 3 Erase DTC memory Function 05 4 End output Function 06 5 Perform a test drive 6 Check DTC memory again End output Function 06 Page 01 230 Switch off ignition and unplug diagnostic connector Стр 13 из 129 On Board Diagnostic OBD performing ...

Page 180: ...ust be raised until all wheels are free to turn 2nd mechanic required to rotate wheels The C key can be used to exit the test sequence at any time After depressing the brake pedal several times the vacuum in the brake booster will be exhausted Therefore more pressure must be applied to the brake pedal in order to attain the same fluid pressure in brake system as that attained with vacuum When vacu...

Page 181: ... locked IFL Inlet valve Front Left VBAT Voltage Battery Voltage at valve OFL Outlet valve Front Left 0V 0 Volt No voltage at valve Locked free Wheel condition must be checked by 2nd mechanic if required Output Diagnosic Test Mode EDL valves Hyd P VBAT Wheel FL FR locked Hydr P Hydraulic pump Стр 15 из 129 On Board Diagnostic OBD performing ...

Page 182: ...lectronics control module address word 03 Page 01 165 Rapid data transfer Q 03 Brake electronics Indicated on display Note During the next work steps the ABS warning light K47 flashes Confirm entry with key Q Read off control module version in V A G 1551 display Press key Стр 16 из 129 On Board Diagnostic OBD performing ...

Page 183: ...ic pump V64 Indicated on display Press key Output Diagnosic Test Mode Operate brakes Indicated on display Operate brake pedal Press key Output Diagnosic Test Mode IFL 0V OFL 0V Wheel FL locked Indicated on display Note If the wheel does not lock there is a possibility that there is a malfunction in the mechanical hydraulic part of the brake system Indicate to 2nd mechanic which wheel requires turn...

Page 184: ... unit In this case the hydraulic unit must be replaced Repair Manual Brake System Repair Group 45 Press key Output Diagnosic Test Mode IFL VBAT OFL VBAT Wheel FL free Indicated on display Note If the wheel locks there is a possibility that the brake lines to the wheel calipers cylinders have been interchanged Indicate to 2nd mechanic which wheel requires turning by hand Стр 18 из 129 On Board Diag...

Page 185: ...ulic unit In this case the hydraulic unit must be replaced Repair Manual Brake System Repair Group 45 Press key Output Diagnosic Test Mode IFL 0V OFL 0V Wheel FL locked Indicated on display Note If the wheel does not lock there is a possibility that there is a malfunction in the mechanical hydraulic part of the brake system Indicate to 2nd mechanic which wheel requires turning by hand Стр 19 из 12...

Page 186: ...ted on display Operate brake pedal Press key Output Diagnosic Test Mode IFR 0V OFR 0V Wheel FR locked Indicated on display Note If the wheel does not lock there is a possibility that there is a malfunction in the mechanical hydraulic part of the brake system Indicate to 2nd mechanic which wheel requires turning by hand Стр 20 из 129 On Board Diagnostic OBD performing ...

Page 187: ... unit In this case the hydraulic unit must be replaced Repair Manual Brake System Repair Group 45 Press key Output Diagnosic Test Mode IFR VBAT OFR VBAT Wheel FR free Indicated on display Note If the wheel locks there is a possibility that the brake lines to the wheel calipers cylinders have been interchanged Indicate to 2nd mechanic which wheel requires turning by hand Стр 21 из 129 On Board Diag...

Page 188: ...ulic unit In this case the hydraulic unit must be replaced Repair Manual Brake System Repair Group 45 Press key Output Diagnosic Test Mode IFR 0V OFR 0V Wheel FR locked Indicated on display Note If the wheel does not lock there is a possibility that there is a malfunction in the mechanical hydraulic part of the brake system Indicate to 2nd mechanic which wheel requires turning by hand Стр 22 из 12...

Page 189: ...ted on display Operate brake pedal Press key Output Diagnosic Test Mode IRL 0V ORL 0V Wheel RL locked Indicated on display Note If the wheel does not lock there is a possibility that there is a malfunction in the mechanical hydraulic part of the brake system Indicate to 2nd mechanic which wheel requires turning by hand Стр 23 из 129 On Board Diagnostic OBD performing ...

Page 190: ... unit In this case the hydraulic unit must be replaced Repair Manual Brake System Repair Group 45 Press key Output Diagnosic Test Mode IRL VBAT ORL VBAT Wheel RL free Indicated on display Note If the wheel locks there is a possibility that the brake lines to the wheel calipers cylinders have been interchanged Indicate to 2nd mechanic which wheel requires turning by hand Стр 24 из 129 On Board Diag...

Page 191: ...ulic unit In this case the hydraulic unit must be replaced Repair Manual Brake System Repair Group 45 Press key Output Diagnosic Test Mode IRL 0V ORL 0V Wheel RL locked Indicated on display Note If the wheel does not lock there is a possibility that there is a malfunction in the mechanical hydraulic part of the brake system Indicate to 2nd mechanic which wheel requires turning by hand Стр 25 из 12...

Page 192: ...ted on display Operate brake pedal Press key Output Diagnosic Test Mode IRR 0V ORR 0V Wheel RR locked Indicated on display Note If the wheel does not lock there is a possibility that there is a malfunction in the mechanical hydraulic part of the brake system Indicate to 2nd mechanic which wheel requires turning by hand Стр 26 из 129 On Board Diagnostic OBD performing ...

Page 193: ... unit In this case the hydraulic unit must be replaced Repair Manual Brake System Repair Group 45 Press key Output Diagnosic Test Mode IRR VBAT ORR VBAT Wheel RR free Indicated on display Note If the wheel locks there is a possibility that the brake lines to the wheel calipers cylinders have been interchanged Indicate to 2nd mechanic which wheel requires turning by hand Стр 27 из 129 On Board Diag...

Page 194: ...ulic unit In this case the hydraulic unit must be replaced Repair Manual Brake System Repair Group 45 Press key Output Diagnosic Test Mode IRR 0V ORR 0V Wheel RR locked Indicated on display Note If the wheel does not lock there is a possibility that there is a malfunction in the mechanical hydraulic part of the brake system Indicate to 2nd mechanic which wheel requires turning by hand Стр 28 из 12...

Page 195: ...yd P VBAT Wh FL FR locked Indicated on display vehicles with EDL A 2nd mechanic is required to rotate the respective wheel by hand If the wheels do not lock there is a malfunction in the hydraulic part of the ABS system In this case the hydraulic unit must be replaced Repair Manual Brake System Repair Group 45 Стр 29 из 129 On Board Diagnostic OBD performing ...

Page 196: ... control diagnosis is completed Press key Rapid data transfer HELP Select function XX Indicated on display Note There is a malfunction in the system if the ABS warning light K47 does not go out Adhere exactly to test sequence First check DTC memory then erase End output Function 06 Page 01 231 Стр 30 из 129 On Board Diagnostic OBD performing ...

Page 197: ...er mode only on the print out Example DTC code P code DTC code 5 digit 5 digit 3 digit 18256 P1848 035 The 5 digit P code which may appear next to the DTC code is for use with the On Board Diagnosis OBD and may be disregarded The 3 digit DTC type code is a data code and may be disregarded but the DTC type text is of use Before replacing components indicated as being faulty check all the appropriat...

Page 198: ...n properly then proceed as follows 1 Carry out road test exceeding 20 km h 13 mph 2 Again check DTC memory if there is still no DTC stored 3 Continue troubleshooting without OBD and work through the complete Electrical check Page 01 288 00003 Fault number 00003 literature ABS Control Module w EDL J104 malfunction Repair Manual Brake System Repair Group 45 Replace ABS Control Module w EDL J104 Стр ...

Page 199: ... Removing and installing parts of ABS system on front and rear axles Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Read measured value block Page 01 240 Display group number 001 If the malfunction occurs again Left front ABS wheel speed sensor G47 faulty Repair Manual Brake System Repair Group 45 Replace left front ABS wheel speed sensor G47 1 This DTC is r...

Page 200: ... control module w EDL J104 Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Electrical interferences from other sources high frequency radiation e g uninsulated ignition cable Read measured value block Page 01 240 Display group number 001 1 Type of DTC this DTC is only recognized above 20 km h 13 mph carry out test drive Стр 34 из 129 On Board Diagnostic OBD p...

Page 201: ...f left front ABS wheel speed sensor G47 and rotor Read measured value block Page 01 240 Display group numbers 001 and 002 Perform test drive Short to positive or ground in wiring Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Left front ABS wheel speed sensor G47 faulty Repair Manual Brake System Repair Group 45 Replace left front ABS wheel speed sensor G47 ...

Page 202: ...oving and installing parts of ABS system on front and rear axles Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Read measured value block Page 01 240 Display group number 001 If the malfunction occurs again Right front ABS wheel speed sensor G45 faulty Repair Manual Brake System Repair Group 45 Replace Right front ABS wheel speed sensor G45 1 This malfunctio...

Page 203: ...nsor G45 and ABS control module w EDL J104 Check wiring and Connection using wiring diagram Perform electrical check Page 01 288 Electrical interferences from other sources high frequency radiation e g uninsulated ignition cable Read measured value block Page 01 240 Display Group number 001 1 This DTC is only recognized above 20 km h 13 mph carry out test drive Стр 37 из 129 On Board Diagnostic OB...

Page 204: ...llation of right front ABS wheel speed sensor G45 and rotor Read measured value block Page 01 240 Display group numbers 001 and 002 Perform test drive Short to positive or ground in wiring Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Right front ABS wheel speed sensor G45 faulty Repair Manual Brake System Repair Group 45 Replace Right front ABS wheel speed...

Page 205: ...air Group 45 Removing and installing parts of ABS system on front and rear axles Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Read measured value block Page 01 240 Display group number 001 Right rear ABS wheel speed sensor G44 faulty Replace right rear ABS wheel speed sensor G44 Repair Manual Brake System Repair Group 45 1 This malfunction is recognized wh...

Page 206: ...or G44 and ABS control module w EDL J104 Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Electrical interferences from other sources high frequency radiation e g uninsulated ignition cable Read measured value block Page 01 240 Display group number 001 1 This DTC is only recognized above 20 km h 13 mph carry out test drive Стр 40 из 129 On Board Diagnostic OBD...

Page 207: ...rear axles Check installation of speed sensor G44 and rotor Read measured value block Page 01 240 Display group numbers 001 and 002 Perform test drive Short to positive or ground in wiring Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Right rear ABS wheel speed sensor G44 faulty Repair Manual Brake System Repair Group 45 Replace speed sensor G44 1 This DTC ...

Page 208: ...p 45 Removing and installing parts of ABS system on front and rear axles Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Read measured value block Page 01 240 Display group number 001 If the malfunction occurs again Left rear ABS wheel speed sensor G46 faulty Repair Manual Brake System Repair Group 45 Replace Left rear ABS wheel speed sensor G46 1 This DTC is...

Page 209: ...r G46 and ABS control module w EDL J104 Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Electrical interferences from other sources high frequency radiation e g uninsulated ignition cable Read measured value block Page 01 240 Display group number 001 1 This DTC is only recognized above 20 km h 13 mph carry out test drive Стр 43 из 129 On Board Diagnostic OBD ...

Page 210: ...Check installation of speed sensor G46 and rotor Read measured value block Page 01 240 Display group numbers 001 and 002 Perform test drive Short to positive or ground in wiring Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Left rear ABS wheel speed sensor G46 faulty Repair Manual Brake System Repair Group 45 Replace Left rear ABS wheel speed sensor G46 1 T...

Page 211: ...ke systems Repair group 45 Removing and installing parts of ESP system Check wiring and connectors of data bus wiring using current flow diagram Perform electrical check Page 01 288 Replace ESP Sensor Unit G419 Perform a zero compensation Initiate basic setting Page 01 264 Display group number 063 Initiate basic setting Page 01 264 Display group number 0691 1 4MOTION vehicles only Стр 45 из 129 On...

Page 212: ... 00495 ESP Sensor Unit vehicles from 02 02 Voltage supply Open circuit short to positive or ground in CANbus wiring Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Стр 46 из 129 On Board Diagnostic OBD performing ...

Page 213: ...round in the wiring Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Brake light switch improperly adjusted Brake light switch faulty Repair Manual Brake System Repair Group 46 Brake pedal Assembly overview Adjusting brake light switch Adjust brake light switch 1 For ABS EDL ASR ESP and ABS EDL ASR ESP 4MOTION Стр 47 из 129 On Board Diagnostic OBD performing ...

Page 214: ...tage supply wiring Voltage supply less than 5 Volt Sender for rotation rate G202 Sensor for transverse acceleration G200 Sender 1 for brake booster G201 Longitudinal acceleration sensor G251 1 Check wiring and connections using wiring diagram Perform electrical check Page 01 288 1 4MOTION vehicles only Стр 48 из 129 On Board Diagnostic OBD performing ...

Page 215: ...e signal Open circuit short to positive or ground in the wiring Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Alternator voltage 17 Volt Electrical Wiring Diagrams Troubleshooting Component Locations binder Стр 49 из 129 On Board Diagnostic OBD performing ...

Page 216: ...nsor G85 Ground not present Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Steering angle sensor G85 faulty Repair Manual Brake System Repair Group 45 Removing and installing parts of ESP system Replace steering angle sensor G85 Perform a zero compensation Initiate basic settings Page 01 264 Display group number 060 1 For ABS EDL ASR ESP and ABS EDL ASR ESP ...

Page 217: ...alue block Page 01 240 Display group number 004 Steering geometry of suspension is not OK Repair Manual Suspension Wheels Steering Repair Group 44 Vehicle alignment Check vehicle alignment Installation of steering angle sensor G85 is not OK Check installation of steering angle sensor G85 Steering angle sensor G85 faulty Repair Manual Brake System Repair Group 45 Removing and installing parts of ES...

Page 218: ... Suspension Wheels Steering Repair Group 44 Vehicle alignment Check vehicle alignment Unacceptable vibrations in steering due to wear Perform a zero compensation Initiate basic settings Page 01 264 Display group number 060 00778 Steering angle sensor G85 1 No or incorrect basic setting adaption Steering angle sensor G85 sends no or incorrect setting values Perform a zero compensation Initiate basi...

Page 219: ...ings Page 01 264 Display group number 060 01044 Control module incorrectly coded ABS Control Module w EDL J104 incorrectly coded Re code for ABS Control Module w EDL J104 Page 01 232 Coding bridge in multi pin connector to ABS Control Module w EDL J104 open or short circuit Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring and connections using wiring diagram 1 For...

Page 220: ...t more than 20 km h 13 mph Check DTC memory again Open circuit short to positive or ground in the wiring Check wiring and connections using wiring diagram Perform electrical check Page 01 288 ABS Control Module w EDL J104 faulty Repair Manual Brake System Repair Group 45 Replace ABS Control Module w EDL J104 1 This DTC is only recognized above 20 km h 13 mph carry out test drive Стр 54 из 129 On B...

Page 221: ...ositive or ground in the wiring Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Steering angle sensor G85 sends incorrect setting values Perform a zero compensation Initiate basic setting Page 01 264 Display group number 060 ABS Control Module w EDL J104 faulty Repair Manual Brake System Repair Group 45 Replace ABS Control Module w EDL J104 1 This DTC is only...

Page 222: ...al check Page 01 288 Hydraulic pump V64 faulty Repair Manual Brake System Repair Group 45 Replace ABS hydraulic unit N55 01276 ABS hydraulic pump V64 faulty1 Short in electronics Repair Manual Brake System Repair Group 45 Replace ABS hydraulic unit N55 with ABS Control Module w EDL J104 1 This DTC is only recognized above 20 km h 13 mph carry out test drive Стр 56 из 129 On Board Diagnostic OBD pe...

Page 223: ...s Open circuit short to positive or ground in the wiring Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Hydraulic pump V64 faulty Repair Manual Brake System Repair Group 45 Replace ABS hydraulic unit N55 1 This DTC is only recognized above 20 km h 13 mph carry out test drive Стр 57 из 129 On Board Diagnostic OBD performing ...

Page 224: ...pen circuit short to positive or ground in the wiring Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Longitudinal acceleration sensor G251 faulty Repair Manual Brake System Repair Group 45 Replace longitudinal acceleration sensor G251 Perform a zero compensation Introduce basic setting Page 01 264 Display group number 069 1 4MOTION vehicles only Стр 58 из 12...

Page 225: ...tion of longitudinal acceleration sensor G251 Open circuit short to positive or ground in the wiring Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Longitudinal acceleration sensor G251 faulty Repair Manual Brake System Repair Group 45 Replace longitudinal acceleration sensor G251 Perform a zero compensation Introduce basic setting Page 01 264 Display group ...

Page 226: ...64 Display group number 069 01312 Drive train data bus faulty2 Read measured value block Page 01 240 Display group number 125 Open circuit short to positive or ground in data bus wiring Check wiring and connections of data bus wiring using wiring diagram Perform electrical check Page 01 288 1 4MOTION vehicles only 2 This DTC occurs only together with DTC Steering angle sensor G85 No communication ...

Page 227: ... 125 Open circuit short to positive or Ground in data bus wiring Check wiring and connections of data bus wiring using wiring diagram or Perform electrical check Page 01 288 Check DTC memory DTC entry in engine control module Repair Manual Engine Mechanical Repair Group 01 Check engine control module DTC memory Стр 61 из 129 On Board Diagnostic OBD performing ...

Page 228: ...of data bus wiring using wiring diagram Perform electrical check Page 01 288 01317 Control module with indicator unit in instrument panel insert J285 Control module with indicator unit in instrument panel insert J285 incorrectly coded Repair Manual Electrical Equipment Repair Group 01 Check coding for Control module with indicator unit in instrument panel insert J285 1 Vehicles with automatic tran...

Page 229: ...ation Read measured value block Page 01 240 Display group number 125 Open circuit short to positive or ground in data bus wiring Check wiring and connectors of data bus wiring using wiring diagram Perform electrical check Page 01 288 1 4MOTION vehicles only Стр 63 из 129 On Board Diagnostic OBD performing ...

Page 230: ...the wiring Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Sensor for transverse acceleration G200 faulty Repair Manual Brake System Repair Group 45 Replace sensor for transverse acceleration G200 Perform a zero compensation Initiate basic setting Page 01 264 Display group number 063 1 For ABS EDL ASR ESP and ABS EDL ASR ESP 4MOTION Стр 64 из 129 On Board Dia...

Page 231: ...ve or Ground in the wiring Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Sensor for transverse acceleration G200 faulty Repair Manual Brake System Repair Group 45 Removing and installing parts of ESP system Replace sensor for transverse acceleration G200 Perform a zero compensation Basic setting was not correctly performed in the past Initiate basic setting...

Page 232: ...rm zero compensation Initiate basic setting Page 01 264 Display group number 063 01435 Sender 1 for brake booster G201 No or incorrect basic setting adaption 1 Zero compensation was never performed Perform zero compensation Initiate basic setting Page 01 264 Display group number 066 1 For ABS EDL ASR ESP and ABS EDL ASR ESP 4MOTION Стр 66 из 129 On Board Diagnostic OBD performing ...

Page 233: ...tch improperly adjusted Brake light switch faulty Repair Manual Brake System Repair Group 46 Brake pedal Assembly overview Adjusting brake light switch Adjust brake light switch Sender 1 for brake booster G201 faulty Repair Manual Brake System Repair Group 45 Removing and installing parts of ESP system Replace sender 1 for brake booster G201 Perform a zero compensation Initiate basic setting Page ...

Page 234: ...erform electrical check Page 01 288 Sender 1 for brake booster G201 faulty Repair Manual Brake System Repair Group 45 Replace sender 1 for brake booster G201 Perform a zero compensation Initiate basic setting Page 01 264 Display group number 066 1 For ABS EDL ASR ESP and ABS EDL ASR ESP 4MOTION Стр 68 из 129 On Board Diagnostic OBD performing Volkswagen Technical Site http volkswagen msk ru http v...

Page 235: ... test the DTC will be erased automatically Initiate basic setting Page 01 264 Display group number 093 01487 literature1 The ESP driving test time has been exceeded Perform the complete ESP driving test within the allowed time 1 For ABS EDL ASR ESP and ABS EDL ASR ESP 4MOTION Стр 69 из 129 On Board Diagnostic OBD performing ...

Page 236: ...s not OK Check installation of sender for rotation rate G202 Open circuit short to positive or Ground in the wiring Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Sender for rotation rate G202 faulty Repair Manual Brake System Repair Group 45 Replace sender for rotation rate G202 1 For ABS EDL ASR ESP and ABS EDL ASR ESP 4MOTION Стр 70 из 129 On Board Diagno...

Page 237: ... short to positive or Ground in the wiring Check wiring and connections using wiring diagram Perform electrical check Page 01 288 Sender for rotation rate G202 faulty Repair Manual Brake System Repair Group 45 Removing and installing parts of ESP system Replace sender for rotation rate G202 1 For ABS EDL ASR ESP and ABS EDL ASR ESP 4MOTION Стр 71 из 129 On Board Diagnostic OBD performing ...

Page 238: ... 170 1 Erasing DTC memory Press key Rapid data transfer HELP Select function XX Indicated on display Press keys 0 and 5 05 enters the Erase DTC memory function Rapid data transfer Q 05 Erase DTC memory Indicated on display Confirm entry with Q key Rapid data transfer DTC memory is erased Indicated on display Press key Rapid data transfer HELP Select function XX Indicated on display Стр 72 из 129 O...

Page 239: ...nd 6 this ends the output Rapid data transfer Q 06 End output Indicated on display Confirm input with Q key Rapid data transfer HELP Select function XX Indicated on display ABS warning light K47 must go out after approx 2 seconds Switch off ignition Disconnect Connection to V A G 1551 scan tool Switch on ignition Стр 73 из 129 On Board Diagnostic OBD performing ...

Page 240: ... for brake system K118 flash when ABS control module w EDL J104 is coded with 00000 An entry is not made in the DTC memory The ABS control module w EDL J104 must be recoded if the vehicle relevant coding is not displayed or the control module has been replaced Coding is only possible after the workshop code WSC has been introduced into V A G 1551 Стр 74 из 129 On Board Diagnostic OBD performing ...

Page 241: ...le and confirm with Q key Rapid data transfer Q 07 Code control module Indicated on display Confirm input with Q key Coding control module Q Enter code number XXXXX 0 32000 Indicated on display Enter the relevant code number for this vehicle and confirm with Q key Coding variations Page 01 236 1C0 907 379E ESP FRONT MK60 0103 Coding 0011266 WSC 00000 On the display the control module identificatio...

Page 242: ...el with the relevant PR number Repair Manual Suspension Wheels Steering Repair Group 44 Vehicle alignment Location of optional equipment number PR No on vehicle data plate arrow Depending on equipment level the PR number is printed in different locations on the vehicle data label In this example the vehicle is equipped with the standard wheel 1ZM arrow The PR numbers are critical for the assignmen...

Page 243: ...es 1LS FS III Brakes 1LQ FS III Brakes 1ZM FS III Brakes 1ZF FS III Brakes 1ZP FS III Brakes PR number Brakes 1LE FN 3 Brakes 1LJ FN 3 Brakes 1ZE FN 3 Brakes 1ZD FN 3 Brakes Стр 77 из 129 On Board Diagnostic OBD performing ...

Page 244: ... unit identification number 1C0 907 379 C J L for vehicles from 10 00 Engine Engine code Vehicle type Code number 1 8 ltr AWD AWW AWP Front wheel drive 04097 1 9 ltr TDI ALH Front wheel drive 04097 2 0 ltr AEG AVH AZG BEV BBW Front wheel drive 04097 2 8 ltr AFP Front wheel drive 04097 Continued on next page Стр 78 из 129 On Board Diagnostic OBD performing ...

Page 245: ... control module installed in the vehicle With control unit identification number 1C0 907 379 D K for vehicles from 10 00 Engine Engine code Vehicle type Code number 1 8 ltr AWD AWW AWP Front wheel drive 18945 2 8 ltr AFP Front wheel drive 18945 Continued on next page Стр 79 из 129 On Board Diagnostic OBD performing ...

Page 246: ...y duty package2 Coding 2 0 Itr AEG AVH AZG BEV BBW FS III without 22530 with 22658 1 8 Itr AWD AWW AWP FN 3 without 19970 with 20098 1 9 Itr TDI ALH FS III without 19458 with 19586 2 8 Itr AFP FN 3 without 19970 with 20098 2 8 Itr BDF FN 3 without 19970 Continued on next page 1 Overview of types of brakes PR No Page 01 234 2 Overview of types of vehicle Repair Manual Suspension Wheels Steering Rep...

Page 247: ... unit identification number 1C0 907 379 F H N Engine Engine codes Brake type1 Heavy duty package2 Coding 2 8 ltr AQP AUE BDE FN 3 without 23046 with 23174 1 Overview of types of brakes PR No Page 01 234 1 Overview of types of vehicle Repair Manual Suspension Wheels Steering Repair Group 44 Vehicle alignment Vehicle alignment specifications Стр 81 из 129 On Board Diagnostic OBD performing ...

Page 248: ...ferred test data supports troubleshooting and repair The test data has been summarized into single display groups because all the information cannot be evaluated at the same time The information can be selected via display group numbers Safety precautions WARNING If the use of test and information devices during a test drive is necessary observe the following You must always secure testing and mea...

Page 249: ... display Press keys 0 and 8 The function Read measured value block is initiated with 08 Rapid data transfer Q 08 Read measured value block Indicated on display Confirm entry with key Q Read measured value block Enter display group number XXX Indicated on display Enter display group number List of selectable display group numbers Page 01 242 Стр 83 из 129 On Board Diagnostic OBD performing ...

Page 250: ...at left rear speed sensor km h 4 Wheel speed at right rear speed sensor km h 002 1 Wheel speed at left front speed sensor km h 2 Wheel speed at right front wheel sensor km h 3 Wheel speed at left rear speed sensor km h 4 Wheel speed at right rear speed sensor km h 003 1 Brake light switch 2 Brake system warning light 3 ABS warning light 4 ASR ESP warning light Стр 84 из 129 On Board Diagnostic OBD...

Page 251: ...ber Display zone Designation 004 1 Steering angle sensor 2 Lateral accelerator sensor 3 Sender for rotation rate 4 Vacant 005 1 Brake pressure sensor 2 Vacant 3 Vacant 4 Vacant Стр 85 из 129 On Board Diagnostic OBD performing ...

Page 252: ...nt 3 Vacant 4 Vacant 125 1 Data bus for engine 2 Data bus for steering angle2 3 Data bus for all wheel drive1 4 Data bus for transmission3 1 4MOTION vehicles only 2 ABS EDL ASR ESP and ABS EDL ASR ESP 4MOTION 3 Vehicles with automatic transmission only Стр 86 из 129 On Board Diagnostic OBD performing ...

Page 253: ...e measured value block Decoding the individual values in display zones 1 to 4 can be read off from the following tables Read measured value block 1 0 km h 0 km h 0 km h 0 km h Indicated on display vehicle stationary Press C key for the next display group number entry If the key is pressed keys 0 and 8 for work sequence Read measured value block must be pressed again afterwards to regain entry Стр ...

Page 254: ... be rotated by hand by a 2nd mechanic Read measured value block 1 Display group number 001 0 km h 4 km h 0 km h 0 km h Indicated on display Example Wheel speed at right rear speed sensor 0 255 km h Wheel speed at left rear speed sensor 0 255 km h Wheel speed at right front speed sensor 0 255 km h Wheel speed at left front speed sensor 0 255 km h Стр 88 из 129 On Board Diagnostic OBD performing ...

Page 255: ... individual values in display zones 1 to 4 can be read off from the following tables Read measured value block 2 255 km h 255 km h 255 km h 255 km h Indicated on display vehicle stationary Press C key for the next display group number entry If the key is pressed keys 0 and 8 for work sequence Read measured value block must be pressed again afterwards to regain entry Стр 89 из 129 On Board Diagnost...

Page 256: ...ed at right rear speed sensor 0 255 km h Wheel speed at left rear speed sensor 0 255 km h Wheel speed at right front speed sensor 0 255 km h Wheel speed at left front speed sensor 0 255 km h 1 If the deviations in display zones 1 and 2 are greater than 6 km h approx 3 75 mph the following faults may be present 2 If the deviations in display zones 3 and 4 are greater than 2 km h approx 1 25 mph the...

Page 257: ...rows in the measured value block Decoding the individual values in display zones 1 to 4 can be read off from the following tables Read measured value block 3 not oper off off off Indicated on display vehicle stationary Press C key for the next display group number entry If the key is pressed keys 0 and 8 for work sequence Read measured value block must be pressed again afterward to regain entry Ст...

Page 258: ...ed or operated despite foot brake not being depressed perform test step No 4 of electrical check Page 01 288 It is also possible that the brake light switch is not correctly adjusted Repair Manual Brake System Repair Group 46 Brake pedal Assembly overview Adjusting brake light switch not oper Brake pedal not depressed operated Brake pedal depressed 1 During the diagnosis ABS warning light K47 and ...

Page 259: ...ck Decoding the individual values in display zones 1 to 3 can be read off from the following tables Read measured value block 4 0 0 0 0m s2 1 26 s Indicated on display e g vehicle stationary Press C key for the next display group number entry If the key is pressed keys 0 and 8 for work sequence Read measured value block must be pressed again afterwards to regain entry 1 For ABS EDL ASR ESP and ABS...

Page 260: ...gative sign Check lateral acceleration sensor G200 Page 01 253 Perform electrical check from from Page 01 288 Steering angle sensor If the steering angle sensor G85 is tested during straight ahead travel then zero compensation must also be performed 1 Specification at straight ahead 4 5 Perform electrical checks from Page 01 288 Initiate basic setting Page 01 264 Display group number 060 1 During ...

Page 261: ...also be carried out with the tester VAS 5051 Connect V A G 1551 scan tool The sensor for transverse acceleration G200 can be checked with the help of function Read measured value block display group 005 Read measured value block 4 1 2 3 There are always 3 display zones arrows Display zone 2 displays the value for the sensor for transverse acceleration G200 Read measured value block 4 0 0 0 0m s2 1...

Page 262: ...ee illustration Display in display zone 2 with vehicle stationary e g 9 8 1 m s2 A positive result equates to the forces during a left turn Turn 90 to left of installation position see illustration Display in display zone 2 with vehicle stationary e g 9 8 1 m s2 Стр 96 из 129 On Board Diagnostic OBD performing ...

Page 263: ...l values in display zones 1 to 4 can be read off from the following tables Read measured value block 5 1 06 bar Indicated on display e g vehicle stationary Press C key for the next display group number entry If the key is pressed keys 0 and 8 for work sequence Read measured value block must be pressed again afterwards to regain entry 1 For ABS EDL ASR ESP and ABS EDL ASR ESP 4MOTION only Стр 97 из...

Page 264: ... group number 005 1 06 bar Indicated on display example Vacant Vacant Vacant Brake pressure sensor Specification when brake pedal is not depressed 7 bar Perform electrical check from Page 01 288 Стр 98 из 129 On Board Diagnostic OBD performing ...

Page 265: ...k Decoding the individual values in display zones 1 to 4 can be read off from the following tables Read measured value block 6 0 0m s2 Indicated on display vehicle stationary Press C key for the next display group number entry If the key is pressed keys 0 and 8 for work sequence Read measured value block must be pressed again afterwards to regain entry 1 For 4MOTION vehicles only Стр 99 из 129 On ...

Page 266: ...reverse The values increase steadily with a negative sign Check longitudinal acceleration sensor G251 Page 01 259 Perform electrical check Page 01 288 1 When performing a test drive where the V A G 1551 scan tool or tester VAS 5051 is connected and in diagnosis or read measured value block mode there is no ABS regulation The ABS warning light does not light up The OBD of ABS control module w EDL J...

Page 267: ...V A G 1551 scan tool The longitudinal acceleration sensor G251 can be checked with the help of function Read measured value block display group 006 Read measured value block 6 1 2 3 4 There are always 4 display zones arrows in the measured value block Decoding the individual values in display zones 1 to 4 can be read off from the following tables Read measured value block 6 0 0m s2 Indicated on di...

Page 268: ...e illustration Display in display zone 1 with vehicle stationary e g 9 8 1 m s2 A negative sign corresponds to the force when driving backward Turn 90 to left of installation position see illustration Display in display zone 1 with vehicle stationary e g 9 8 1 m s2 Стр 102 из 129 On Board Diagnostic OBD performing ...

Page 269: ... the individual values in display zones 1 to 4 can be read off from the following tables Read measured value block 125 Engine 1 St ang 1 4WD 1 Gear 1 Indicated on display vehicle stationary Press C key for the next display group number entry If the key is pressed keys 0 and 8 for work sequence Read measured value block must be pressed again afterwards to regain entry Стр 103 из 129 On Board Diagno...

Page 270: ...Data bus connection is not available 3 Data bus for engine 1 Data bus connection is available 0 Data bus connection is not available 3 1 Vehicles with automatic transmission only Incorrect transmission control module or incorrect transmission control module coding Transmission control module malfunction Repair Manual Transmission Repair Group 01 for relevant transmission code 2 For 4MOTION vehicle...

Page 271: ...01 263 Output Diagnosic Test Mode DTM Page 01 74 Стр 105 из 129 On Board Diagnostic OBD performing ...

Page 272: ...e maximum engine performance for a test e g on a rolling road test stand Page 01 269 Display group number 0602 is required to perform a zero compensation for steering angle sensor G85 Page 01 271 Subsequently a test drive must be performed Page 01 284 Display group number 0632 is required to perform a zero compensation for sensor for transverse acceleration G200 Page 01 275 Subsequently a test dri...

Page 273: ...te G202 and sender 1 for brake booster G201 When the ABS control module w EDL J104 is replaced a zero compensation must be performed for the following components Sensor for transverse acceleration G200 Steering angle sensor G85 Sender 1 for brake booster G201 Longitudinal acceleration sensor G251 1 When the individual sensors or sensors are changed a zero compensation must only be carried out for ...

Page 274: ... system vehicles with and without ABS VAS 5234 Brake filler and bleeder unit Connect brake filling and bleeder unit VAS 5234 Pre bleed brake system Connect V A G 1551 scan tool and select address word 03 brake electronics control module with ignition switched on Page 01 163 Rapid data transfer HELP Select function XX Indicated on display Press keys 0 and 4 The function Initiating basic setting is ...

Page 275: ...er VAS 5051 Press keys 0 0 and 1 Confirm entry with key Q Basic setting 1 ON Depress pedal and hold Indicated on display Operate pedal with substantial foot pressure and hold Pedal moves down Hydraulic pump runs Pedal comes back Basic setting 1 Rel pedal FR FL bleed screw OPEN Indicated on display Press key 3 on V A G 1551 or arrow up key on VAS 5051 Basic setting 1 ON Please wait 10 secs Indicate...

Page 276: ...ys 0 and 6 this ends the output Rapid data transfer Q 06 End output Indicated on display Confirm entry with Q key Rapid data transfer Help Enter address word XX Indicated on display Repair Manual Brake System Repair Group 47 Bleeding brake system vehicles with and without ABS Press C key Switch off ignition Disconnect connection to V A G 1551 scan tool Bleed brake system again For vehicles with AB...

Page 277: ...on sensor G251 in order to utilize the maximum engine performance for a test e g on a rolling road test bed In addition the all wheel drive is shut off and the vehicle behaves like a front wheel drive vehicle Switch ignition off and on again to reactivate the longitudinal acceleration sensor G251 Connect V A G 1551 scan tool and select address word 03 brake electronics control module with ignition...

Page 278: ...th key Q Basic setting HELP Enter display group number XXX Indicated on display Press keys 0 4 and 0 Confirm entry with key Q ABS warning light flashes Basic setting 40 Indicated on display The longitudinal acceleration sensor G251 is now switched off After completing the checks reactivate the longitudinal acceleration sensor G251 by switching the ignition off and on again once Стр 112 из 129 On B...

Page 279: ...odule with ignition switched on Page 01 163 Start engine Carry out a short test drive over a flat and level surface Drive straight ahead and not faster then 20 km h 12 5 mph and observe the following points If the steering wheel is not in the centered position when driving straight ahead the steering must be corrected within the framework of an alignment check Repair Manual Suspension Wheels Steer...

Page 280: ... Make sure steering wheel does not moved Do not turn ignition switch off First perform function 11 Login procedure successfully using V A G 1551 scan tool Page 01 287 Rapid data transfer HELP Enter address word XX Indicated on display Press keys 0 and 4 The function Initiating basic setting is selected with 04 Rapid data transfer Q 04 Basic setting Indicated on display Confirm entry with key Q Стр...

Page 281: ...nfirm entry with key Q ABS warning light flashes Basic setting 60 OFF 4 ON Compens OK 0 0 And then the display shows e g Function is unknown or cannot be performed at moment If this display appears the login procedure has not been performed successfully Стр 115 из 129 On Board Diagnostic OBD performing ...

Page 282: ...itch off ignition 5 Switch on ignition 6 Perform zero compensation again Check specifications with help of function 08 Read measured value block Page 01 240 Display group number 004 Press key Rapid data transfer HELP Enter address word XX Indicated on display Press keys 0 and 6 this ends the output Rapid data transfer Q 06 End output Indicated on display ABS and ESP warning lights light up for app...

Page 283: ...select address word 03 brake electronics control module with ignition switched on Page 01 163 Check specifications with help of function 08 Read measured value block Page 01 240 Display group number 004 First perform function 11 Login procedure successfully using V A G 1551 scan tool Page 01 287 Rapid data transfer HELP Enter address word XX Indicated on display Press keys 0 and 4 The function Ini...

Page 284: ...then the display shows e g Function is unknown or cannot be performed at moment If this display appears the login procedure has not been performed successfully or Basic setting 63 OFF 4 ON Compens not poss 5 0m s2 If this appears in the display the measured values for the zero compensation are not within the allowed tolerance Check specifications with help of function 08 Read measured value block ...

Page 285: ...on ignition 6 Perform zero compensation again Press key Rapid data transfer HELP Enter address word XX Indicated on display Press keys 0 and 6 this ends the output Rapid data transfer Q 06 End output Indicated on display ABS and ESP warning lights light up for approx 2 seconds Стр 119 из 129 On Board Diagnostic OBD performing ...

Page 286: ...ess word 03 brake electronics control module with ignition switched on Page 01 163 Check measured values with help of function 08 Read measured value block Page 01 240 Display group number 005 First perform function 11 Login procedure successfully using V A G 1551 scan tool Page 01 287 Rapid data transfer HELP Enter address word XX Indicated on display Press keys 0 and 4 The function Initiating ba...

Page 287: ...en the display shows e g Function is unknown or cannot be performed at moment If this display appears the login procedure has not been performed successfully or Basic setting 66 OFF 4 ON Compens not poss 10 85bar If this appears in the display the measured values for the zero compensation are not within the allowed tolerances Check measured values with help of function 08 Read measured value block...

Page 288: ...on ignition 6 Perform zero compensation again Press key Rapid data transfer HELP Enter address word XX Indicated on display Press keys 0 and 6 this ends the output Rapid data transfer Q 06 End output Indicated on display ABS and ESP warning lights light up for approx 2 seconds Стр 122 из 129 On Board Diagnostic OBD performing ...

Page 289: ...elect address word 03 brake electronics control module with ignition switched on Page 01 163 Check measured values with help of function 08 Read measured value block Page 01 240 Display group number 006 First perform function 11 Login procedure successfully using V A G 1551 scan tool Page 01 287 Rapid data transfer HELP Enter address word XX Indicated on display Press keys 0 and 4 The function Ini...

Page 290: ...ompleting the zero compensation the values in display do not go to 0 00 m s2 Function is unknown or cannot be performed at moment If this display appears the login procedure has not been performed successfully or Basic setting 69 OFF 4 ON Compens n poss 5 0m s2 If this appears on display the measured values are not within the accepted tolerance for zero compensation Check measured values with help...

Page 291: ...on ignition 6 Perform zero compensation again Press key Rapid data transfer HELP Enter address word XX Indicated on display Press keys 0 and 6 this ends the output Rapid data transfer Q 06 End output Indicated on display ABS and ESP warning lights light up for approx 2 seconds Стр 125 из 129 On Board Diagnostic OBD performing ...

Page 292: ...ed or replaced Connect V A G 1551 scan tool and select address word 03 brake electronics control module address word 03 with ignition switched on Page 01 163 Rapid data transfer HELP Enter address word XX Indicated on display Press keys 0 and 4 The function Initiating basic setting is selected with 04 Rapid data transfer Q 04 Basic setting Indicated on display Confirm entry with key Q Basic settin...

Page 293: ...ning light K47 lights up Press key Rapid data transfer HELP Select function XX Indicated on display This completes the stationary comparison test Disconnect diagnostic connector Start engine Depress brake pedal firmly brake pressure of more than 35 bar until the ESP Control Lamp K155 flashes Стр 127 из 129 On Board Diagnostic OBD performing ...

Page 294: ...ng lamp K155 go out the ESP driving test has been successfully completed WARNING Always comply with road traffic regulations and drive according to the traffic conditions Note If the ABS warning light K47 does not go out then the ESP driving test has not been performed correctly If the ABS warning light K47 does not go out and the ESP control lamp K155 lights up again check DTC memory Page 01 170 ...

Page 295: ...1551 scan tool and select address word 03 brake electronics control module with ignition switched on Page 01 163 Rapid data transfer HELP Enter address word XX Indicated on display Press key 1 and 1 Function Login procedure is introduced with 11 Rapid data transfer Q 11 Coding 2 Indicated on display Confirm entry with key Q Coding 2 HELP Enter code number XXXXX Indicated on display Enter code numb...

Page 296: ...lectrical check of Mark 60 Special tools and equipment V A G 1598 36 Adapter V A G 1594 A Adapter set V A G 1526 A Hand multimeter V A G 1921 Pliers V A G 1598 A Test box Стр 1 из 38 Electrical check of Mark 60 ...

Page 297: ...ion of the source of the malfunction Work through the complete electrical check For vehicles on which the OBD provides a direct indication of the source of the malfunction Only carry out the test steps recommended in the DTC table directed entry An overview of all the test steps in the electrical check Page 01 297 Стр 2 из 38 Electrical check of Mark 60 ...

Page 298: ...adlights lighting fans Fuses must be OK remove fuses from fuse holder to check Electrical Wiring Diagrams Troubleshooting Component Locationsbinder Pull fuse holder out of cable channel Release ABS Control Module w EDL J104 connector arrow 1 and pull off arrow 2 Стр 3 из 38 Electrical check of Mark 60 ...

Page 299: ...alues are matched to the V A G 1526 and are not necessarily applicable for other test modules Connect test box V A G 1598 36 1 to multi pin connector of ABS control module w EDL J104 2 Стр 4 из 38 Electrical check of Mark 60 ...

Page 300: ... assignment of connectors for voltage supply and self diagnosis with the V A G 1551 scan tool Contact 4 Ground terminal 31 Contact 16 Positive terminal 30 Contact 7 K wire to contact 2 of multi pin connector T47 of ABS control module w EDL J104 Contact assignment of connector T47 wiring harness ABS control module w EDL J104 Стр 5 из 38 Electrical check of Mark 60 ...

Page 301: ... unit G419 vehicles from 02 02 7 Longitudinal acceleration sensor G251 voltage supply 4MOTION vehicles only Vacant 4MOTION vehicles with ESP sensor unit G419 vehicles from 11 01 8 Vehicles with navigation system only 9 Coding bridge to contact 12 vehicles with ABS EDL ASR ESP 4MOTION only 10 Vehicles with navigation system only 11 Data bus wire Wiring diagrams 12 Coding bridge to contact 9 vehicle...

Page 302: ...age supply 19 Sender 1 for brake booster G201 signal wire 20 Sender 1 for brake booster G201 ground wire 21 Vacant 22 Vacant 23 Vacant 24 Ground wire for sensor for transverse acceleration G200 and sender for rotation rate G202 Ground wire for ESP sensor unit G419 vehicles from 02 02 25 Vacant Data bus wire for ESP sensor unit G419 vehicles from 02 02 26 Voltage supply for sensor for transverse ac...

Page 303: ...t front ABS wheel speed sensor G45 34 Right front ABS wheel speed sensor G45 35 Vacant 36 Left rear ABS wheel speed sensor G46 37 Left rear ABS wheel speed sensor G46 38 Coding bridge to contact 12 vehicles with ABS EDL ASR ESP front wheel drive only Coding bridge to contact 14 vehicles with ABS and ABS EDL ASR front wheel drive only Стр 8 из 38 Electrical check of Mark 60 ...

Page 304: ...al wire 41 Brake light switch F 42 Right rear ABS wheel speed sensor G44 43 Right rear ABS wheel speed sensor G44 44 Vacant 45 Left front ABS wheel speed sensor G47 46 Left front ABS wheel speed sensor G47 47 Ground point on left hand longitudinal member Стр 9 из 38 Electrical check of Mark 60 ...

Page 305: ...rform test step 4 Resistance of right front ABS wheel speed sensor G45 Perform test step 5 Resistance of left front ABS wheel speed sensor G47 Perform test step 6 Resistance of right rear ABS wheel speed sensor G44 Perform test step 7 Resistance of left rear ABS wheel speed sensor G46 Perform test step 8 Voltage signal of right front ABS wheel speed sensor G45 Perform test step 9 Voltage signal of...

Page 306: ...ESP button E256 Perform test step 16 Activation of steering angle sensor G85 Perform test step 17 Activation of sensor for transverse acceleration G200 Activation of sender for rotation rate G202 Perform test step 18 Activation of sender 1 for brake booster G201 Perform test step 19 Check of data bus wiring Perform test step 20 Voltage supply for V A G 1551 connector T16 Perform test step 21 Resis...

Page 307: ...ry out repair measure in the right hand part of the table Electrical Wiring Diagrams Troubleshooting Component Locations binder Continuity checks with adapter set V A G 1594 A bridging If the measured figures only deviate slightly from the specifications clean sockets and plugs of the testers and adapter cables with contact spray G 000 700 04 and repeat check Before replacing components check wiri...

Page 308: ...o ABS Control Module w EDL J104 Ignition switched off 10 0 14 5 V Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram 2 32 16 Voltage supply for the valves in ABS hydraulic unit N55 to ABS Control Module w EDL J104 Ignition switched off 10 0 14 5 V Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring dia...

Page 309: ...ocations binder Check wiring using wiring diagram 4 47 41 Function of brake light switch F Ignition switched off Brake pedal not depressed 0 0 0 5 V Check brake light switch F and read measured value block Page 01 240 Display group number 003 Depress brake pedal Approx battery voltage Repair Manual Brake System Repair Group 46 Brake pedal Assembly overview Adjusting brake light switch Electrical W...

Page 310: ...BS wheel speed sensor G45 Ignition switched off 1 0 1 3 k Electrical Wiring Diagrams Troubleshooting Component Locations binder If no malfunction can be located in the wiring Repair Manual Brake System Repair Group 45 Removing and installing parts of ABS system on front and rear axles Check wiring using wiring diagram Wiggle wiring during test Replace right front ABS wheel speed sensor G45 Стр 15 ...

Page 311: ...BS wheel speed sensor G47 Ignition switched off 1 0 1 3 k Electrical Wiring Diagrams Troubleshooting Component Locations binder If no malfunction can be located in the wiring Repair Manual Brake System Repair Group 45 Removing and installing parts of ABS system on front and rear axles Check wiring using wiring diagram Wiggle wiring during test Replace left front ABS wheel speed sensor G47 Стр 16 и...

Page 312: ...BS wheel speed sensor G44 Ignition switched off 1 0 1 3 k Electrical Wiring Diagrams Troubleshooting Component Locations binder If no malfunction can be located in the wiring Repair Manual Brake System Repair Group 45 Removing and installing parts of ABS system on front and rear axles Check wiring using wiring diagram Wiggle wiring during test Replace right rear ABS wheel speed sensor G44 Стр 17 и...

Page 313: ...BS wheel speed sensor G46 Ignition switched off 1 0 1 3 k Electrical Wiring Diagrams Troubleshooting Component Locations binder If no malfunction can be located in the wiring Repair Manual Brake System Repair Group 45 Removing and installing parts of ABS system on front and rear axles Check wiring using wiring diagram Wiggle wiring during test Replace left rear ABS wheel speed sensor G46 Стр 18 из...

Page 314: ...ev sec Min 65 mV alternating voltage Check whether right front ABS wheel speed sensor G45 has been interchanged and read measured value block Page 01 240 Display group number 001 10 45 46 Left front ABS wheel speed sensor G47 voltage signal Vehicle raised Check installation of left front ABS wheel speed sensor G47 and rotor Ignition switched off Rotate front left wheel at approx 1 rev sec Min 65 m...

Page 315: ...ev sec Min 190 mV alternating voltage Check whether right rear ABS wheel speed sensor G44 has been interchanged and read measured value block Page 01 240 Display group number 001 12 37 36 Left rear ABS wheel speed sensor G46 voltage signal Vehicle raised Check installation of left rear ABS wheel speed sensor G46 and rotor Ignition switched off Rotate rear left wheel at approx 1 rev sec Min 190 mV ...

Page 316: ...unction of ABS warning light K47 Ignition switched on Switch on ignition The ABS warning light K47 lights up for approx 2 seconds and goes out again Electrical Wiring Diagrams Troubleshooting Component Locations binder Repair Manual Body Interior Repair Group 70 instrument panel Check wiring using wiring diagram Malfunction in instrument cluster Стр 21 из 38 Electrical check of Mark 60 ...

Page 317: ...ystem K118 Parking brake not applied Brake fluid level OK Ignition switched on Warning light for brake system K118 does not light up Apply parking brake Warning light for brake system K118 lights up Electrical Wiring Diagrams Troubleshooting Component Locations binder Repair Manual Body Interior Repair Group 70 instrument panel Check wiring using wiring diagram Malfunction in instrument cluster Ст...

Page 318: ... 15 Function of ESP control lamp K155 Ignition switched on Switch ignition on ESP control lamp K155 lights up for 2 seconds and goes out again Electrical Wiring Diagrams Troubleshooting Component Locations binder Repair Manual Body Interior Repair Group 70 instrument panel Check wiring using wiring diagram Malfunction in instrument cluster Стр 23 из 38 Electrical check of Mark 60 ...

Page 319: ...on 16 Function of ASR ESP button E256 Ignition switched on The function of the ESP Control Lamp K155 was checked in test step 15 ESP control lamp K155 lights up for 2 seconds and goes out again Operate ASR ESP button E256 ESP control lamp K155 lights up Operate ASR ESP button E256 again ESP control lamp K155 goes out Test step 16 Continued on next page Стр 24 из 38 Electrical check of Mark 60 ...

Page 320: ...Specification Measures for deviations from specification Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram ASR ESP button E256 faulty Repair Manual Body Interior Repair Group 70 instrument panel Replace ASR ESP button E256 Стр 25 из 38 Electrical check of Mark 60 ...

Page 321: ...ification 17 Voltage supply for steering angle sensor G85 Ignition switched off Disconnect connection from steering angle sensor G85 Disconnect multi pin connection T47 from ABS control module w EDL J104 Check wiring between contact T6a 4 and contact T6a 1 of steering angle sensor G85 10 0 14 5 V Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagra...

Page 322: ... specification 17 Voltage supply for steering angle sensor G85 Ignition switched on Check wiring between contact T6a 5 and connector contact T6a 1 of steering angle sensor G85 10 0 14 5 V Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram Test step 17a On next page Стр 27 из 38 Electrical check of Mark 60 ...

Page 323: ...cation 17a Wiring for steering angle sensor G85 Measuring range set to 200 Ignition switched off Connect test box V A G 1598 36 Check wiring for open circuit between steering angle sensor G85 and ABS control module w EDL J104 multi pin connector Max 1 5 Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram Test step 17a On next page Стр 28 из 38 El...

Page 324: ...ion Measures for deviations from specification 17a Wiring for steering angle sensor G85 Set measuring range to 20 M Remove fuse S9 Check wiring for short circuit to positive or Ground Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram Стр 29 из 38 Electrical check of Mark 60 ...

Page 325: ...otation rate G202 Ignition switched off Measuring range set to 200 Connect test box V A G1598 36 Check wiring for open circuit between multi pin connector of sensor for transverse acceleration G200 sender for rotation rate G202 and multi pin connector of ABS control module w EDL J104 Max 1 5 Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram Tes...

Page 326: ...perations Specification Measures for deviations from specification Set measuring range to 20 M Remove fuse S9 Check wiring for short circuit to positive or Ground Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram Стр 31 из 38 Electrical check of Mark 60 ...

Page 327: ...0 Disconnect connection from sender 1 for brake booster G201 Disconnect multi pin connection T47 from ABS control module w EDL J104 Connect test box V A G 1598 36 Check wiring for open circuit between sender 1 for brake booster G201 multi pin connector and ABS control module w EDL J104 multi pin connector Max 1 5 Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring us...

Page 328: ...perations Specification Measures for deviations from specification Set measuring range to 20 M Remove fuse S9 Check wiring for short circuit to positive or Ground Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram Стр 33 из 38 Electrical check of Mark 60 ...

Page 329: ...ata bus wiring Ignition switched off Measuring set range to 200 Disconnect multi pin connection from a control module which is connected via data bus wiring Connect test box V A G 1598 36 Check data bus wiring for open circuit Max 1 5 Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram Test step 20 Continued on next page Стр 34 из 38 Electrical c...

Page 330: ...perations Specification Measures for deviations from specification Set measuring range to 20 M Remove fuse S9 Check wiring for short circuit to positive or Ground Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram Стр 35 из 38 Electrical check of Mark 60 ...

Page 331: ...om specification 21 Voltage supply for V A G 1551 connector T161 Ignition switched off Connect hand multimeter V A G 1526 to connector T161 using adapter set V A G 1594 10 0 14 5 V Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram 1 Diagnosis connector contact assignment Page 01 292 Стр 36 из 38 Electrical check of Mark 60 ...

Page 332: ... off Disconnect multi pin connector from ABS control module w EDL J104 Connect test box V A G 1598 36 Connect hand multimeter V A G 1526 to contacts T16 71 and T47 2 of multi pin connector of ABS control module w EDL J104 using cables from adapter set V A G 1594 Max 1 5 Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram 1 Diagnosis connector con...

Page 333: ...iations from specification 23 14 38 Coding bridge for ABS and ABS EDL ASR front wheel drive Ignition switched off 0 0 1 0 12 38 Coding bridge for ABS EDL ASR ESP front wheel drive 12 9 Coding bridge for ABS EDL ASR ESP 4MOTION Electrical Wiring Diagrams Troubleshooting Component Locations binder Check wiring using wiring diagram Стр 38 из 38 Electrical check of Mark 60 ...

Page 334: ...grams Display group number Read measured value block ASR Traction Control System Data bus Transportation of data To do this the electrical signals are brought into a certain format BUS Further information can be found in Self study programs Also called CAN Bus Data bus low high The voltage used to transport the data is low high Further information can be found in Self study programs Speed sensor S...

Page 335: ...Measured value block Further information on this can be found in Self study programs and test unit instruction manual Performing On Board Diagnostic OBD Connecting the Scan Tool to be able to check the DTC memory Further information on this can be found in Self study programs and test unit instruction manual Performing electrical check A targeted check of the electronic components by performing ce...

Page 336: ...hanging information between the control modules Sender for rotation rate G202 Recognizes the rotational movement of the vehicle along its vertical axis in relation to vehicle speed Longitudinal acceleration sensor G251 Determines the correct speed for 4MOTION vehicles Steering angle sensor G85 Determines the angle and direction of steering lock driver s wish Data is transferred to control module v...

Page 337: ...nsures that a pre pressure of 10 bar is available for the ABS ESP pump Read measured value block The control module can transfer a considerable amount of test data This test data delivers information on the operational condition of the system and or sensors connected to it In many cases the transferred test data supports troubleshooting and malfunction repair The test data has been summarized into...

Page 338: ...or brake booster Sensor 2 for brake pressure G201 G214 Recognizes the pressure exerted by the driver and is required to control the pressure of the pre pressure system Program card version Always use the most up to date program card Further information can be found in the test unit operating instructions Sporadic Happens occasionally Infinity The resistance is infinite open circuit Ohm Стр 5 из 6 ...

Page 339: ...tance is infinite open circuit Ohm Forget malfunction counter When a fault gets in the memory fault counter after 50 vehicle starts and this fault is not repeated again the memory counter erases the fault Стр 6 из 6 Definitions ...

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Volkswagen Bora 1998, Service Manual

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