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Ford 2000 Ranger, Workshop Manual

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Ford 2000 Ranger Workshop Manual Download Page 43

 

 

PINPOINT TEST C: THE 4X4 HIGH AND/OR 4X4 LOW INDICATOR(S) DO/DOES NOT OPERATE PROPERLY 

 

 

Is the resistance less than 5 ohms?

 

Yes

 

REFER to 

Section 206-09B

. 

 

No

 

REPAIR circuit 679 (GY/BK). CLEAR the DTCs. TEST the system for normal operation. 

CONDITIONS

DETAILS/RESULTS/ACTIONS

 

C1

 CHECK THE IGNITION STATES — MONITOR THE GEM PID IGN_GEM

 

 

 

 

Scan Tool 

 

 

Monitor the GEM PID IGN_GEM while turning the ignition switch through the RUN, OFF and ACC positions. 

 

Do the PID values agree with the ignition switch positions?

 

Yes

 

GO to 

C2

. 

 

No

 

REFER to 

Section 417-02

. 

 

C2

 RETRIEVE THE DIAGNOSTIC TROUBLE CODES (DTCS)

 

 

Retrieve and document continuous DTCs. 

 

 

Clear Continuous DTCs 

 

 

GEM On-Demand Self-Test 

 

Are any DTCs recorded?

 

Yes

 

If DTC B1342, REPLACE GEM. REFER to 

Section 419-10

. CLEAR the DTCs. TEST the system for normal 

operation.  

Page 43 of 62

2000 Ranger Workshop Manual

1/18/2012

http://www.fordtechservice.dealerconnection.com/pubs/content/~WSYL/~MUS~LEN/21/...

Summary of Contents for 2000 Ranger

Page 1: ...rocedure revision date 06 18 1999 Special Tool s 73III Automotive Meter 105 R0057 or equivalent Worldwide Diagnostic System WDS 418 F224 New Generation STAR NGS Tester 418 F052 or equivalent scan tool...

Page 2: ...e with the vehicle refer to the scan tool manual 6 Perform the DATA LINK DIAGNOSTIC TEST If the scan tool responds with CKT914 CKT915 or CKT70 ALL ECUS NO RESP NOT EQUIP refer to Section 418 00 NO RES...

Page 3: ...Belt Lamp Circuit Short to Battery GEM CTM REFER to Section 413 01 B1428 Seat Belt Lamp Circuit Failure GEM CTM REFER to Section 413 01 B1431 Wiper Brake Run Relay Circuit Failure GEM CTM REFER to Sec...

Page 4: ...ACT PLATE A Circuit Failure GEM GO to Pinpoint Test A P1850 Transfer Case CONTACT PLATE B Circuit Failure GEM GO to Pinpoint Test A P1854 Transfer Case CONTACT PLATE C Circuit Failure GEM GO to Pinpoi...

Page 5: ...FO G WPPK_PK Wiper Park to Park Time 0 6 5 Seconds WPMODE Wiper Control Mode Status WASH OPEN INVLD OFF INTVL 1 7 LOW HIGH WPPRKSW Wiper Motor Status PARKED notPRK WPRUN Wiper Mode Run Relay ON OFF ON...

Page 6: ...P1846 DTC P1850 DTC P1854 DTC P1858 DTC P1863 DTC P1866 DTC P1867 DTC P1891 GO to Pinpoint Test A The Vehicle Does Not Shift Between 4WD HIGH and 4WD LOW Modes Properly 4WD mode switch Neutral safety...

Page 7: ...ch through the RUN OFF and ACC positions Do the PID values agree with the ignition switch positions Yes GO to A2 No REFER to Section 417 02 A2 RETRIEVE THE DIAGNOSTIC TROUBLE CODES DTCS NOTE DTCs P183...

Page 8: ...Trigger the GEM active command LOW LAMP ON then OFF Does the 4x4 LOW indicator illuminate then go off Yes GO to A5 No GO to Pinpoint Test C A5 CHECK THE 4X4 MODE SWITCH MONITOR THE GEM PID 4WD_SW IN...

Page 9: ...the PID indicate 4WD LOW Yes GO to A16 No GO to A8 If the PID indicates OFFO G GO to A14 A8 CHECK THE 4X4 MODE SWITCH IN THE 2WD POSITION 4X4 Mode Switch C225 Place the mode switch in the 2WD position...

Page 10: ...GO to A10 No REPLACE the mode switch CLEAR the DTCs TEST the system for normal operation A10 CHECK THE 4X4 MODE SWITCH IN THE 4X4 LOW POSITION Place the mode switch in the 4X4 LOW position Measure the...

Page 11: ...5 W LB and ground Is any voltage indicated Yes REPAIR circuit 465 W LB CLEAR the DTCs TEST the system for normal operation No GO to A13 A13 CHECK CIRCUIT 465 W LB FOR SHORT TO GROUND Measure the resis...

Page 12: ...ormal operation No REPLACE the GEM REFER to Section 419 10 CLEAR the DTCs TEST the system for normal operation A16 CHECK THE FRONT DRIVESHAFT ENGAGEMENT Engage 4X4 HIGH and drive a short distance Rais...

Page 13: ...fer to Component Test Is the clutch relay OK Yes RECONNECT the clutch relay GO to A19 No REPLACE the clutch relay CLEAR the DTCs TEST the system for normal operation A19 CHECK THE CLUTCH RELAY COIL CI...

Page 14: ...ER RELAY Check the battery saver relay refer to Component Test Is the battery saver relay OK Yes GO to A23 No REPLACE the battery saver relay CLEAR the DTCs TEST the system for normal operation A23 CH...

Page 15: ...y OFF Yes GO to A36 No If the GEM PID BATT_SAVR displays OFFO G GO to A26 A26 CHECK FOR VOLTAGE TO THE BATTERY SAVER RELAY CIRCUIT 792 T Y Battery Saver Relay Measure the voltage between battery saver...

Page 16: ...sure the resistance between battery saver relay connector pin 1 circuit 792 T Y and ground and between battery saver relay connector pin 5 circuit 792 T Y and ground Are the resistances greater than 1...

Page 17: ...705 LG O TEST the system for normal operation A32 CHECK CIRCUIT 275 Y FOR OPEN GEM C223 Measure the resistance between clutch relay connector pin 1 circuit 275 Y and GEM C223 15 circuit 275 Y Is the...

Page 18: ...aver relay connector pin 2 circuit 1005 P O and GEM C224 8 circuit 1005 P O Is the resistance less than 5 ohms Yes REPLACE the GEM REFER to Section 419 10 CLEAR the DTCs TEST the system for normal ope...

Page 19: ...he system for normal operation No GO to A38 A38 CHECK CIRCUIT 779 BR FOR SHORT TO POWER Clutch Relay Measure the voltage between the clutch relay connector pin 3 circuit 779 BR and ground Is any volta...

Page 20: ...HE ELECTRONIC SHIFT CONTROL MODULE GEM ACTIVE COMMAND CW CCW ON Trigger the GEM active command CW CCW to ON Monitor the GEM PIDs MTR_CCW and MTR_CW Do Does the GEM PIDs MTR_CCW and MTR_CW display ON Y...

Page 21: ...ECK CIRCUIT 339 GY FOR OPEN Measure the resistance between JSO relay C230 8 circuit 339 GY and GEM C223 16 circuit 339 GY Is the resistance less than 5 ohms Yes GO to A46 No REPAIR circuit 339 GY CLEA...

Page 22: ...stem for normal operation No GO to A48 A48 CHECK CIRCUIT 513 BR PK FOR SHORT TO POWER Measure the voltage between JSO relay C230 9 circuit 513 BR PK and ground Is any voltage indicated Yes REPAIR circ...

Page 23: ...transfer case electric shift motor C310 4 circuit 777 Y and ground Are the voltages greater than 10 volts Yes GO to A52 No GO to A51 A51 CHECK THE VOLTAGE TO THE ELECTRONIC SHIFT CONTROL MODULE SWITCH...

Page 24: ...electric shift motor C1001 7 circuit 778 O and ground Is any voltage indicated Yes REPAIR circuit 778 O and or circuit 777 Y CLEAR the DTCs TEST the system for normal operation No REPLACE the JSO rela...

Page 25: ...ystem for normal operation A56 CHECK CIRCUIT 778 O FOR OPEN Measure the resistance between JSO relay C230 10 circuit 778 O and transfer case electric shift motor C1001 7 circuit 778 O Is the resistanc...

Page 26: ...ollowing table PID 2WD 4WDLOW PLATE_A Closed Closed PLATE_B Closed Open PLATE_C Open Closed PLATE_D Closed Open Do the PIDs agree with the table Yes REPAIR the transfer case REFER to Section 308 07B C...

Page 27: ...Is the voltage greater than 10 volts Yes REPAIR circuit 771 P Y CLEAR the DTCs TEST the system for normal operation No GO to A61 A61 CHECK CIRCUIT 771 P Y FOR SHORT TO GROUND GEM C223 Measure the res...

Page 28: ...n transfer case electric shift motor C1001 6 circuit 762 Y W and GEM C223 12 circuit 762 Y W Is the resistance less than 5 ohms Yes GO to A64 No REPAIR circuit 762 Y W CLEAR the DTCs TEST the system f...

Page 29: ...ohms Yes GO to A67 No REPAIR circuit 770 W CLEAR the DTCs TEST the system for normal operation If the concern remains RECONNECT GEM C223 GO to A67 A67 CHECK CIRCUIT 770 W FOR OPEN Measure the resistan...

Page 30: ...r case electric shift motor C1001 2 circuit 764 BR W and ground Is any voltage indicated Yes REPAIR circuit 764 BR W CLEAR the DTCs TEST the system for normal operation No GO to A70 A70 CHECK CIRCUIT...

Page 31: ...2 CHECK CONTACT PLATE SWITCH A CIRCUITS 762 Y W AND 763 O W Monitor the GEM PID PLATE_A Verify the PID indicates open Connect a jumper wire between transfer case electric shift motor C1001 6 circuit 7...

Page 32: ...DTCs TEST the system for normal operation A75 CHECK CIRCUIT 763 O W FOR OPEN Measure the resistance between transfer case electric shift motor C1001 3 circuit 763 O W and GEM C223 18 circuit 763 O W I...

Page 33: ...quipped with 4WABS GO to B27 If DTC P1812 GO to B5 If DTC P1815 GO to B5 No GO to B3 B3 CHECK THE 4X4 HIGH LAMP INDICATOR TRIGGER THE GEM ACTIVE COMMAND HIGH LAMP ON Trigger the GEM active command HIG...

Page 34: ...GEM PID 4WD_SW Does the PID indicate 4WD HIGH Yes GO to B7 No GO to B8 B7 CHECK THE 4X4 MODE SWITCH MONITOR THE GEM PID 4WD_SW IN THE 4X4 LOW POSITION Place the mode switch in the 4X4 LOW position Mon...

Page 35: ...4X4 HIGH POSITION Place the mode switch in the 4X4 HIGH position Measure the resistance between the mode switch terminals 2 and 3 Is the resistance between 1050 and 1150 ohms Yes GO to B10 No REPLACE...

Page 36: ...Measure the resistance between mode switch C225 3 circuit 465 W LB and GEM C223 8 circuit 465 W LB Is the resistance less than 5 ohms Yes GO to B12 No REPAIR circuit 465 W LB CLEAR the DTCs TEST the s...

Page 37: ...ystem for normal operation B14 CHECK CIRCUIT 359 GY R FOR OPEN GEM C221 Measure the resistance between mode switch C225 2 circuit 359 GY R and GEM C221 21 circuit 359 GY R Is the resistance less than...

Page 38: ...operation No REPLACE the GEM REFER to Section 419 10 CLEAR the DTCs TEST the system for normal operation B17 CHECK BRAKE PEDAL POSITION BPP SWITCH MONITOR THE GEM PID BOO_GEM Monitor GEM PID BOO_GEM...

Page 39: ...CK THE CLUTCH INTERLOCK MONITOR THE GEM PID CLTCHSW Monitor the GEM PID CLTCHSW Verify the GEM PID CLTCHSW indicates ENGAGED Place the gear selector in every position except neutral and park Verify th...

Page 40: ...er wire between digital TR sensor C1005 7 circuit 57 BK and C1005 8 circuit 463 R W Does the GEM PID NTRL_SW indicate NTRL Yes REPLACE the digital TR sensor REFER to Section 307 01A or Section 307 01B...

Page 41: ...t 523 R PK Measure the resistance between rear anti lock brake sensor C1010 and GEM C224 18 circuit 519 LG BK Are the resistances less than 5 ohms Yes GO to B26 No REPAIR circuit 523 R PK and or 519 L...

Page 42: ...mph 0 km h Yes GO to A18 No If the vehicle is equipped with 4WABS GO to B28 If the vehicle is equipped with RABS CHECK the rear anti lock brake sensor REFER to Section 206 09A Component Test If the s...

Page 43: ...M while turning the ignition switch through the RUN OFF and ACC positions Do the PID values agree with the ignition switch positions Yes GO to C2 No REFER to Section 417 02 C2 RETRIEVE THE DIAGNOSTIC...

Page 44: ...PID displays ON B GO to C12 If the PID displays OFF O G GO to C5 C5 CHECK THE GEM PID 4WDLOW Monitor the GEM PID 4WDLOW while triggering the GEM active command LOWLAMP ON then OFF Does the 4X4 LOW in...

Page 45: ...the indicator bulbs If OK REPAIR the instrument cluster printed circuit CLEAR the DTCs TEST the system for normal operation C9 CHECK CIRCUIT 783 GY FOR OPEN Instrument Cluster C214 Measure the resist...

Page 46: ...ion 419 10 CLEAR the DTCs TEST the system for normal operation No CHECK the indicator bulbs If OK REPAIR the instrument cluster printed circuit CLEAR the DTCs TEST the system for normal operation C12...

Page 47: ...No REPLACE the GEM REFER to Section 419 10 CLEAR the DTCs TEST the system for normal operation CONDITIONS DETAILS RESULTS ACTIONS D1 CHECK POWER DISTRIBUTION BOX MAXI FUSE 1 50A Fuse 1 50A Is the fus...

Page 48: ...normal operation D5 CHECK CIRCUIT 570 BK W FOR OPEN GEM CTM C224 Measure the resistance between GEM CTM C221 14 circuit 570 BK W and ground and between GEM CTM C221 26 circuit 570 BK W and ground Are...

Page 49: ...cuum Connector NOTE This step may require rapid pumping for up to 10 seconds Connect a hand vacuum pump to the PVH solenoid upper port hose connector and try to pull a vacuum to 15 in Hg Does the vacu...

Page 50: ...d try to pull a vacuum to 15 in Hg Does the vacuum drop exceed 0 5 in Hg in 30 seconds Yes DIAGNOSE the engine vacuum system REFER to Section 303 00 No REPAIR and or REPLACE the vacuum reservoir outpu...

Page 51: ...AKAGE PVH Solenoid Vacuum Connector Disconnect the LH wheel end vacuum line connector Connect a tee fitting and vacuum gauge between the LH wheel end vacuum line connector and PVH solenoid vacuum line...

Page 52: ...0 seconds after switching the 4X4 mode switch to 2WD Yes REMOVE the vacuum gauge RECONNECT all vacuum lines TEST the system for normal operation If the 4X4 system still does not operate properly CLARI...

Page 53: ...IGH Yes GO to E13 No GO to E17 E13 CHECK THE GEM 4X4 DISENGAGE SEQUENCE AND CIRCUIT 599 PK LG 4X4 HIGH TO 2WD Measure the voltage between PVH solenoid C185 2 circuit 298 P O and PVH solenoid C185 1 ci...

Page 54: ...Is any voltage indicated after three seconds after switching the 4X4 mode switch to 2WD Yes GO to E16 No GO to E17 E16 CHECK THE PVH SOLENOID COILS Measure the resistance between the PVH solenoid ter...

Page 55: ...LG and PVH solenoid C185 circuit 599 PK LG Measure the resistance between GEM C223 7 circuit 77 DB Y and PVH solenoid C185 circuit 77 DB Y Are the resistances less than 5 ohms Yes GO to E19 No REPAIR...

Page 56: ...m of 0 1 in Hg It is recommended that Pressure Vacuum Module or equivalent 105 R0099 be used for this check Observe the vacuum gauge while switching the 4X4 mode switch to 2WD Does the vacuum gauge in...

Page 57: ...m line connections are OK TEST the system for normal operation If a vacuum leak is still present REPLACE the PVH solenoid vacuum line TEST the system for normal operation E24 CHECK THE CHASSIS VACUUM...

Page 58: ...heck CAUTION Do not apply more than 2 psi to the vacuum lines when performing this check Apply 2 psi continuous pressure to the vacuum wheel end input line Apply soapy water to the wheel end knuckle v...

Page 59: ...n 204 01B No If equipped with 4WABS GO to E29 If equipped with RABS GO to E30 E29 BUBBLE CHECK THE ANTI LOCK BRAKE SYSTEM ABS SENSOR WARNING Do not use shop pressure when performing this check CAUTION...

Page 60: ...heel end shaft Are bubbles visible at the wheel end shaft Yes REPLACE the wheel end shaft seal REFER to Section 204 01B TEST the system for normal operation No GO to E32 E32 CHECK THE HUBLOCK FOR VACU...

Page 61: ...e vacuum drop exceed 0 5 in Hg in 30 seconds Yes REPLACE the wheel end knuckle seal REFER to Section 204 01B TEST the system for normal operation No GO to E34 E34 RECHECK THE WHEEL END KNUCKLE FOR VAC...

Page 62: ...rminal 4 If battery voltage is not indicated replace the relay If battery voltage is indicated connect a third jumper wire to terminal 2 and ground the jumper wire to a known good ground Check for vol...

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