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Congratulations on purchasing your
Actron Code Scanner for accessing
engine trouble-codes required for
repairing vehicles equipped with
computers. Your Actron Code Scanner is
made by Actron, the largest and most
trusted name in automotive diagnostic
equipment for the home mechanic. You
can have confidence this product
maintains the highest quality in
manufacturing, and will provide you
years of reliable service.

This instruction manual is divided into
several key sections. You will find
detailed steps on using the Code
Scanner and important information about
trouble code meanings, how a computer
controls engine operation, and more!

Identifying the problem is the first step in
solving that problem. Your Actron Code
Scanner can help you determine by
accessing the engine computer trouble
codes. Armed with that knowledge, you
can either refer to an appropriate service
manual or discuss your problem with a
knowledgeable service technician. In
either event you can save yourself a lot
of valuable time and money in auto
repair. And feel confident that your
vehicle’s problem has been fixed!

Actron  offers  a  compete

line  of  high  quality

automotive  diagnostic  and

repair  equipment.

See  your  local Actron

dealer  for  other

Actron  products.

CONTENTS

1 About Codes: Where do they

come from and what are they for? .. 3

2 Code Scanner Basics:  When do

you use it and what does it do? ....... 5

3 Connector Location:  Connector

type identifies the computer system
in your vehicle: EEC-IV or MCU. ..... 7

4 Using the Code Scanner – EEC-IV

system:  Complete description for
reading and using service codes .... 8

5 Code Meanings – EEC-IV system:

Service Code Definitions for Ford
EEC-IV engines ............................ 20

6 Other Features – EEC-IV system:

Additional Code Scanner Diagnostic
Tests .............................................. 31

7 Using the Code Scanner – MCU

system:  Includes engine off and
engine running tests. ..................... 37

8 Code Meanings – MCU system:

Service Code Definitions for Ford
MCU engines ................................ 47

9 Computer Basics:  What does the

engine computer do?

Learn more about how your engine
computer operates and controls
vehicle functions. ........................... 49

10 Reference Glossary:  Includes

component descriptions and term
definitions commonly used in
reference to engine computer
systems ......................................... 55

CP9015

Instrucciónes en español67

Instructions en français131

Содержание Code Scanner CP9015

Страница 1: ...D S E L F TEST OU T P U T Domestic Ford Lincoln Mercury AUDIO ON OFF CP9015 CODE SCANNER precision electronic solutions CP9015 Instrucci nes en espa ol p gina 67 Lecteur de code d ordinateur automobil...

Страница 2: ...2...

Страница 3: ...money in auto repair And feel confident that your vehicle s problem has been fixed Actron offers a compete line of high quality automotive diagnostic and repair equipment See your local Actron dealer...

Страница 4: ...r smoke or have open flames near vehicle Vapors from gasoline and charging battery are highly flam mable and explosive Always keep a fire extinguisher suitable for gasoline electrical chemical fires h...

Страница 5: ...gs are listed in Sections 5 and 8 Specific code definitions vary with manufacturer engine and model year so you may want to refer to a vehicle service manual for additional information These manuals a...

Страница 6: ...need to write for availability and prices specifying the make style and model year of your vehicle Vehicle Service Manuals Chilton Book Co Chilton Way Radnor PA 19089 Haynes Publications 861 Lawrence...

Страница 7: ...er Controls 1 HOLD TEST switch This switch connects to the computer s Self Test Input STI circuit HOLD The STI wire is unconnected Normal position no testing TEST The STI wire is connected to vehicle...

Страница 8: ...two screws from the bottom side of the Code Scanner 2 Separate the two halves of the Code Scanner 3 Insert battery 4 Reassemble Code Scanner case and replace screws Checking the Battery Do the followi...

Страница 9: ...ocations You can tell which computer system is in your vehicle by noting which connector type is installed The connectors are located in one of six general areas Near the fire wall right or left side...

Страница 10: ...Test Summary The Self Test procedure also called Quick Test involves engine off and engine running tests The entire procedure is summarized in the chart Each part is fully explained on the following p...

Страница 11: ...gine compartment Pinches and kinks Splits cuts or breaks Inspect wiring for Contact with sharp edges This happens often Contact with hot surfaces such as exhaust manifolds Pinched burned or chafed ins...

Страница 12: ...used position on large test connector This is normal Also large test connector may have other contacts not used by Code Scanner The Code Scanner will not harm the vehicle engine computer TM T E S T H...

Страница 13: ...the test procedure On certain vehicles with electrically operated fans 5 Get Codes from the Flashing STO Light NOTE If the light does not flash go back and repeat SELF TEST PART 2 starting with Step...

Страница 14: ...problems sometimes called intermittences may or may not be present now The Continuous Memory group will always contain at least one code This will be a system pass code 11 or 111 if no problems were...

Страница 15: ...s received Any 1 Any KOEO and Continuous Memory codes indicate Code s Code s system problems Write down ALL codes DO NOT repair Continuous Memory codes at this time But keep them written down for late...

Страница 16: ...automatic transmission or NEUTRAL manual transmission Block the drive wheels Stay away from moving engine parts 3 Start the Engine If engine will not start stalls or runs rough refer to vehicle servi...

Страница 17: ...g engine parts 4 Start the Engine Only use the ignition key to start engine do not use a remote starter If engine will not start stalls or runs rough refer to vehicle service manual for troubleshootin...

Страница 18: ...Engine Running Self Test 7 Get Engine Identification ID Code from the Flashing STO Light NOTE If the light does not flash go back and repeat SELF TEST PART 4 starting with Step 5 If the light still d...

Страница 19: ...E Certain 1991 and newer vehicles use 3 digit codes refer to vehicle service manual to determine whether your system uses 2 or 3 digit codes These codes are sent as follows Code 123 looks like PAUSE P...

Страница 20: ...T obtained in Self Test Part 2 and NO other vehicle symptoms are present the Self Test Diagnostic Procedure is complete 2 3 4 or 5 1 Any Engine Running codes indicate system problems Codes are present...

Страница 21: ...ious repairs may have eliminated the causes of some or all of these codes 3 Disregard codes which are related to repairs already made For example if repairs were made to the Engine Coolant Temperature...

Страница 22: ...it code meanings begins on page 24 11 System pass 12 System cannot raise engine speed above normal idle 13 RPM out of specification during normal idle operation or D C motor does not follow dashpot 14...

Страница 23: ...ed position 32 EGR Valve Position EVP sensor or Pressure Feedback EGR PFE sensor signal voltage is below closed limit or has gone beyond set limits or Problems with EGR valve controlling 33 EGR Valve...

Страница 24: ...uit open connection or Low speed fuel pump circuit failure or Idle speed adjust service pin in use circuit connected to ground 61 Engine Coolant Temperature ECT sensor signal voltage is too low or Ind...

Страница 25: ...ptive lean limit reached in fuel control program 86 Transaxle problem 3 4 shift solenoid circuit failure or Electronic Control Assembly ECA status adaptive rich limit reached in fuel control program o...

Страница 26: ...sticking linkages etc can make a good sensor look bad to the computer 4 Incorrect information from a sensor may cause the computer to control the engine in the wrong way Faulty engine operation might...

Страница 27: ...ensor voltage signal indicates rich Bank 2 179 Heated Exhaust Gas Oxygen HEGO sensor voltage signal not switching indicates rich during part throttle engine operation Bank 1 181 Heated Exhaust Gas Oxy...

Страница 28: ...tem EDIS problem Secondary circuit failure in Coil 1 2 3 or 4 244 Cylinder Identification CID circuit failure during Cylinder Balance Test 311 Thermactor Air System problem no operation during Engine...

Страница 29: ...ontrol EEC system circuit failure 532 Cluster Control Assembly CCA circuit failure 533 Electronic Instrument Cluster EIC circuit failure in Data Communication Link DCL 536 Brake On Off BOO switch circ...

Страница 30: ...LUS circuit failure 631 Overdrive Cancel Indicator Light OCIL circuit failure 632 Overdrive Cancel Switch OCS no switch action detected during Engine Run Self Test 633 4x4L switch closed during Key On...

Страница 31: ...failure in first gear and second gear 678 Transmission problem third gear to second gear downshift error 679 Transmission problem second gear to first gear downshift error 691 4x4 low circuit failure...

Страница 32: ...32...

Страница 33: ...H O L D S E L F T E S T OUTP U T o r d L i n c o l n M e r c u r y 1 9 8 1 N e w e r A U D I O O N 5 Put Hold Test Switch in HOLD Position 6 Turn Ignition Key to ON Position but DO NOT START ENGINE 7...

Страница 34: ...Control IVSC disconnect vacuum supply hose from the Speed Control Servo to release stored vacuum Otherwise the Speed Control Solenoids will energize the first time the throttle is depressed causing th...

Страница 35: ...ure Ignition Key is in OFF Position 3 Check Code Scanner Battery Refer to Section 2 4 Connect Code Scanner Refer to Section 3 Plug BOTH test connectors into the Code Scanner 5 Put Hold Test Switch in...

Страница 36: ...y Example Cylinder 7 is weak 1stTEST 2ndTEST 3rdTEST Code 7 Code 9 pass Not necessary Example Cylinder 7 is very weak 1stTEST 2ndTEST 3rdTEST Code 7 Code 7 Code 9 pass Example Cylinder 7 is extremely...

Страница 37: ...Switch in ON Position 7 Turn Ignition Key to ON Position but DO NOT START ENGINE 8 Depending upon Vehicle Model Year 1986 Older Wiggle Test is now activated Go to Step 9 1987 Newer Without pausing mo...

Страница 38: ...tsCheckedby ContinuousMonitor ACT 1984 up BP 1984 up ECT 1984 up EGO 1990 up EVP 1984 up IDM 1990 up DIS or dual plug DIS only ITS 1990 up MAF 1990 up MAP 1984 up PFE 1986 up TP 1984 up VAF 1985 up VA...

Страница 39: ...on the following pages IMPORTANT All parts must be performed as shown for accurate test results Self Test Summary Part1 TestPreparation Safety First Follow all safety rules Perform Visual Inspection T...

Страница 40: ...special type for this purpose Repair any problems found during the visual inspection and retest the vehicle If the original symptom is still present continue the test Go to Step 3 Prepare Vehicle 3 Pr...

Страница 41: ...cylinder engines with a canister control valve Remove hose from connection port B This hose runs between the canister control valve and the carbon canister Do NOT plug the hose for the remainder of t...

Страница 42: ...The restrictor must be uncapped during the test Replace the cap after testing Refer to drawing for location of restrictor on the TAD vacuum line 4 2L engines or the TAB vacuum line 5 8L engines 6 Have...

Страница 43: ...fore proceeding Refer to the vehicle service manual Self Test Not Functional or similar title trouble shooting chart Count flashes to get service codes Each flash lasts 1 2 second Code 12 looks like P...

Страница 44: ...stem pass No problem found by computer during KOEO Self high altitude Test Go to SELF TEST PART 3 Key On Engine Running I 4 ONLY KOER Self Test Any Code s Codes indicate system problems are present no...

Страница 45: ...tain engine speed at 3000 RPM An engine ID code is sent after a few seconds to signal the beginning of KOER Self Test Count flashes on the STO light Ignore any flashes lasting longer than 1 second 4 c...

Страница 46: ...en Run engine at 2000 RPM for 2 minutes 4 Turn Engine Off Then Immediately Restart Engine and Allow to Idle Note Vehicles with Throttle Kicker actuator the Throttle Kicker will extend increasing RPM a...

Страница 47: ...gain just one more time so you can double check your code list Example of code series 12 and 42 PAUSE FLASH pause FLASH FLASH longer pause PAUSE FLASH FLASH FLASH FLASH pause FLASH FLASH longer pause...

Страница 48: ...und by computer during KOER Self high altitude Test The Self Test Diagnostic Procedure is complete If vehicle I 4 ONLY symptoms are still present they are probably not related to the computer system A...

Страница 49: ...nsor voltage signal always lean low value does not switch 42 All Engines Exhaust Gas Oxygen EGO sensor voltage signal always rich high value does not switch 44 All Engines Exhaust Gas Oxygen EGO senso...

Страница 50: ...WOT Vacuum Switch circuit is always closed V 6 All except High Altitude Altitude ALT circuit is open V 6 High Altitude only System pass V 8 All except High Altitude Altitude ALT circuit is open V 8 H...

Страница 51: ...t how the computer handles these tasks What has NOT changed A computer controlled engine is basically the same as earlier types It is still an internal combustion engine with pistons spark plugs valve...

Страница 52: ...uter Switches connect to two wires and tell the computer simple things such as whether or not the air conditioner is running Signal Generator These create their own signal to tell the computer of some...

Страница 53: ...ecking the actual amount of fuel delivered Thus a faulty injector or incorrect fuel pressure can change the amount of fuel delivered and the computer would not know it Hot engine cruise condition Clos...

Страница 54: ...g light and adjusting the distributor at idle RPM The timing changes which occur during vehicle operation however are controlled electronically The computer looks at sensors to determine vehicle speed...

Страница 55: ...he Dual Temperature Switch sends a signal when engine temperature is either cold OR very hot How MCU measures Throttle Position Some MCU systems use an Idle Tracking Switch This is an electrical switc...

Страница 56: ...proper air fuel mixture to deliver MCU idle speed adjustment The MCU system does not control idle speed a standard mechanical idle cam mechanism is used However some MCU systems have a vacuum operate...

Страница 57: ...t lever in Drive CCO Converter Clutch Override solenoid Located inside transmission having mechanically controlled lock up torque converter The ECA uses this solenoid to disable lock up under certain...

Страница 58: ...st on off control of an actuator This is how it works A 50 duty cycle signal going to a vacuum switching solenoid means the solenoid will be on passing full vacuum half the time and off passing no vac...

Страница 59: ...some vehicles it may just activate a system controlled by non electronic means Vacuum controlled EGR valves are normally closed Applying vacuum opens the valve EGR C EGR Control solenoid Used in certa...

Страница 60: ...Fuel injectors are connected to a pressurized fuel supply The pressure is created by a fuel pump No flow occurs when the injector is off not energized When the injector is powered it opens fully allo...

Страница 61: ...g normal engine operation Keypower The circuit which provides power to the engine control system Includes the ignition key switch KS Knock Sensor The ECA uses this device to detect engine detonation k...

Страница 62: ...both sides of this opening that is both the EGR valve input side and the manifold side The PFE sensor measures the pressure seen at the EGR side The sensor sends a voltage signal which increases as p...

Страница 63: ...gnetism moves the rod and performs some mechanical action The ECA often uses solenoids to switch vacuum lines on and off This allows the ECA to control vacuum operated devices such as an EGR valve Fue...

Страница 64: ...his solenoid to apply vacuum and thus activate the throttle kicker actuator The actuator increases the amount of idle position throttle opening by a fixed amount The ECA activates TK when operating co...

Страница 65: ...ECA vehicle speed information VVC Voltage Variable Choke actuator Used on feedback carburetors in MCU systems The MCU module sends a duty cycle type signal to this actuator in order to control the amo...

Страница 66: ...ARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE TO USE YOUR WARRANTY If you need to return the unit please follow this procedure 1 Call Actron...

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