Trouble Godes

DiagnosticTrouble GodesFault locations and probable causestr Flash, MIL and EOBD codestr Engine management systemstr Transmissionstr lmmobilizersE Data link connector locationsPetrol and Diesel Gars, MPVs, 4x4s and LGVs igg4-2004

Arosa lbizalcordoba 1,011,411,611,812,0 IbizalCordoba 1,711,9 D/TDlSDl/TDl Toledo 1,612,OToledo 1,9 D/TD/TDl ToledolLeon Alhambra lnca 1,411,6 lnca 1,9 DlSDlI year: 1993-04Engine IY, 12, 2E, AAA, AAZ, ABF, ADL, ADY, AEE, AEH, AER, AEX, AEY, AFH, AFK, AFN, AFR, AFT, AGG, AGN,code:AGP, AGR, AGR, AGZ, AHB, AHF, AHT, AHU, AHW, AJH, AJM, AJQ, AKK, AKL, AKS, AKU, AKV, AKW, ALD,ALH, ALL, ALM, AMF, AMK, AMY, ANU, ANV, ANW, ANX, APE, APF, APG, APP, APQ, APT, AQM, AQN, AQQ,AQX, ARL, ARY, AST, ASV, ASZ, ATM, ATN, AUA, AUB, AUC, AUD, AUE, AUQ, AUR, AUS, AUY, AVG, AVZ,AWC,AXP,AYL,AYP,AYQ, AZD, BCA, BCB, BDESystem: Bosch EDC11.3.311.4 Bosch EDC I5PN Bosch Motronic M3.8.1121315Bosch Motronic ME7.117.517.5.10 Bosch Motronic MP9.0 Bosch MSA 12115115.5Magneti-Marelli IAV14CV14LV14MV Siemens Simos VAG Digifant ML5.515.9 VAG Digifant MP4.4I Engine managementArosa 408100, lbizalcordoba 1999-2002. lnca 20004 -in fascia fuseboxIToledo 403199 - adjacent to steering columnIbizalCordoba 41999, lnca 42000 - glovebox, driver's sideArosa 091004, Toledo 19994, Leon - centre console

Model: Arosa IbizalCordoba 1,011,4/1,6/1,812,0l,7ll,9 DTTDlSDllTDl Toledo l,6/2,ODTTDI ToledolLeon Alhambra Inca 1,4/1,6Alhambra +05100 - centre consoleGeneral informationRefer to the front of this manual for general test conditions,terminology, detailed descriptions of wiring faults and ageneral trouble shooter for electrical and mechanical faults.Carry out road test for at least 10 minutes.0 Except 2,8: Ensure accelerator pedal is briefly fullydepressed and engine speed exceeds 3500 rpm.2,8: Ensure accelerator pedal is briefly fully depressed andengine speed exceeds 4600 rpm.Automatic transmission in 'P' or 'N'.If engine does not start: Crank engine for 6 seconds. Leaveignition switched ON.0 Data link connector (DLC) - 2-pin: (A) black, (B)brownlwhite.Accessing and erasingThe engine control module (ECM) fault memory can only beaccessed and erased using diagnostic equipmentconnected to the data link connector (DLC).Trouble code identificationRefer to Volkswagen GolflBora 1997 -+, see page 722.4Alhambra 06N)O-r - fascia, driver's sideI

1 578 I,,,,,,,,,,,/AutodataEngine managementYear: 1993-97Engine code: ABS, AAU, AAVSystem: Bosch Mono-Motronic MA1.2.2IIn glovebox, driver's sideGeneral information0 Refer to the front of this manual for general test conditions,terminology, detailed descriptions of wiring faults and ageneral trouble shooter for electrical and mechanical faults.Trouble codes are displayed by using an LED connected toone of the ECM terminals.The ECM fault memory can also be checked and erasedusing diagnostic equipment connected to the data linkconnector (DLC).Self-diagnosis using flash type trouble codes may notdisplay all available diagnostic information.Carry out road test for at least 10 minutes.Ensure accelerator pedal is briefly fully depressed andengine speed exceeds 3000 rpm.Each trouble code consists of four groups of one to fourflashes.A 2,5 second pause separates each trouble code group H [A].ReDeat switch o~eration. Note trouble codes. Com~are withtro"ble code table.End of test sequence indicated by trouble code 0000(long flashes).Switch ignition OFF. Rectify faults as necessary.AccessingEnsure ignition switched OFF.Bridge data link connector (DLC) terminals 4 and 15 with aswitched lead - contacts normally open O.NOTE: DLC terminal 15 is connected to ECM terminal 11.Connect LED test lamp between data link connector (DLC)terminal 16 and ECM terminal 4 0.ECM located in plenum chamber.NOTE: DO NOT disconnect ECM multi-plug as this will erase faultmemory.Start engine. Allow to idle.NOTE: If engine does not start' Crank engine for 6 seconds.Leave ignition switched ON.Operate switch for 4 seconds minimum.Release switch. Check that LED flashes.Count LED flashes. Note trouble code.

Engine managementIErasingMethod 1Ensure ignition switched OFF.Bridge data link connector (DLC) terminals 4 and 15 with aswitched lead - contacts normally open 8.NOTE: DLC terminal 15 is connected to ECM terminal 11.Connect LED test lamp between data link connector (DLC)terminal 16 and ECM terminal 4 8.Access trouble codes. Switch ignition OFF.Operate switch and hold.Switch ignition ON.Release switch after 5 seconds. Check that LED flashes.ldle speed control (ISC) actuator activated. Trouble codedisplayed: 1232.Operate switch for 4-6 seconds to activate each of thefollowing components:Intake manifold heater. Trouble code displayed: 4342.Evaporative emission (EVAP) canister purge valve. Troublecode displayed: 4343.After activation of last component operate switch for4-6 seconds to display flash code 0000 (long flashes).Fault memory automatically erased.Repeat checking procedure to ensure no data remains inECM fault memory.Method 2Ensure ignition switched OFF.Disconnect ECM multi-plug or battery earth lead.NOTE: ECM adaptive memory may be erased causing erraticrunning faults. Carry out road test to allow ECM tore-learn basic values.WARNING: Disconnecting the battery may erase memory fromelectronic units (e.g. radio, clock).Trouble code identificationtype4-digit0000 I End of test sequence 1 -111112311232Fault locationEngine control module (ECM)Vehicle speed sensor (VSS)Idle speed control (ISC) actuatorProbable cause2113 8 ( Crankshafl position (CKP) sensor I Insecure rotor, wiring, CKP sensor2121 I Closed throttle position (CTP) switch Accelerator cable adjustment, CTP switchadjustment, wiring, CTP switch221 22234231 2 I Engine coolant temperature (ECT) sensor I Wiring, poor connection, ECT sensorECMWiring, speedometer, VSS2322 I Intake air temperature (IAT) sensor I Wiring, IAT sensor2341Throttle position (TP) sensorEngine control module (ECM) - supply voltageWiring, multi-plug incorrectly wired, ISC actuatorWiring, poor connection, TP sensorBattery, wiring2342 I Heated oxygen sensor (H02S) 1 Wiring, H02S, heating inoperative, fuel level low24134444Heated oxygen sensor (H02S) - lambda controlMixture control (MC)No fault foundHeating inoperative, exhaust leak, misfire,fuel pressurelpump, EVAP canister purge valveFuel level low, fuel pressurelpump, intakelexhaustleak, misfire, H02S, EVAP canister purge valve,injector, excessive fuel in engine oil-8 Trouble code may be displayed if engine is not idling during self-diagnosis due to missing CKP sensor signal. Ignore trouble code ifengine starts.After repairs, erase learnt lambda control values: Wait 30 seconds. Disconnect battery or ECM multi-plug for at least 30 seconds.Carry out road test to allow ECM to re-learn basic values.

I Engine management5-digittypeFault locationProbable cause00000 I No fault found 1 -0028100282005150051 800522Vehicle speed sensor (VSS)Idle speed control (ISC) actuatorCrankshaft position (CKP) sensorClosed throttle position (CTP) switchThrottle position (TP) sensorEngine coolant temperature (ECT) sensorWiring, speedometer, VSS00523 I Intake air temperature (IAT) sensor I Wiring, IAT sensorWiring, multi-plug incorrectly wired, ISC actuatorInsecure rotor, wiring, CKP sensorAccelerator cable adjustment, CTP switchadjustment, wiring, CTP switch00525 I Heated oxygen sensor (H02S) I Wiring, H02S, heating inoperative, fuel level low00532 1 Engine control module (ECM) - supply voltage I Battery, wiringHeated oxygen sensor (H02S) - lambda controlMixture control (MC)Idle speed control (ISC) actuator position sensorEngine control module (ECM) immobilizer activeEngine control module (ECM)Wiring, poor connection, TP sensorWiring, poor connection, ECT sensorHeating inoperative, exhaust leak, misfire, fuelpressurelpump, EVAP canister purge valveFuel level low, fuel pressurelpump, intakelexhaustleak, misfire, HOZS, EVAP canister purge valve,injector, excessive fuel in engine oilWiring, throttle valve, ISC actuator position sensorlncorrecvdamaged key, incorrectly coded,ECMlimmobilizer replacement without coding,wiring, immobilizer defectiveECMTrouble code may be displayed if engine is not idling during self-diagnosis due to missing CKP sensor signal. Ignore trouble code ifengine starts.After repairs, erase learnt lambda control values: Wait 30 seconds. Disconnect battery or ECM multi-plug for at least 30 seconds.Carry out road test to allow ECM to re-learn basic values.(=3

Model: lbizalcordoba 1,05 IbizalCordoba 1,3IbizalCordoba 1,8Year: 1993-97Engine code:System:ABS, AAU, AAVBosch Mono-Motronic MA1.2.3SEATEngine managementIn glovebox, driver's sideGeneral informationRefer to the front of this manual for general test conditions,terminology, detailed descriptions of wiring faults and ageneral trouble shooter for electrical and mechanical faults.Carry out road test for at least 10 minutes.Ensure accelerator pedal is briefly fully depressed andengine speed exceeds 3000 rpm.If engine does not start: Crank engine for 6 seconds. Leaveignition switched ON.AccessingThe engine control module (ECM) fault memory can only beaccessed using diagnostic equipment connected to the datalink connector (DLC).ErasingEnsure ignition switched OFF.Disconnect ECM multi-plug or battery earth lead.NOTE: ECM adaptive memory may be erased causing erraticrunning faults. Carry out road test to allow ECM tore-learn basic values.Diagnostic equipment can also be used to erase data fromECM fault memory.WARNING: Disconnecting the battery may erase memory fromelectronic units (e.g. radio, clock).Trouble code identification4-digitFlash type Fault locationProbable cause0000 ( End of test sequence I -1111 I Engine control module (ECM) I ECM1231 vehicle Geed sensor (VSS) -1232 Idle speed control (ISC) actuator2113 1 Crankshaft position (CKP) sensor I Insecure rotor, wiring, CKP sensorClosed throttle position (CTP) switch Accelerator cable adjustment, CTP switch2121 1 adjustment, wiring, CTP switch22122234Throttle position (TP) seniorEngine control module (ECM) - supply voltage Battery, wiring--Wiring, speedometer, VSSWiring, multi-plug incorrectly wired, ISC actuatorWiring, poor connection, TP sensor

Engine managementProbable cause2312 Engine coolant temperature (ECT) sensor2322 Intake air temperature (IAT) sensor2341 rn / Heated oxygen sensor (H02S) - lambda control2342 Heated oxygen sensor (H02S)2413 Mixture control (MC)4444 No fault found- - - -Wiring, poor connection, ECT sensorWiring, IAT sensorIHeating inoperative, exhaust leak, misfire, fuelpressurelpump, EVAP canister purge valveWiring, H02S, heating inoperative, fuel level lowFuel level low, fuel pressurelpump, intakelexhaustleak, misfire, H02S, EVAP canister purge valve,injector, excessive fuel in engine oil-rn Trouble code may be displayed if engine is not idling during self-diagnosis due to missing CKP sensor signal. Ignore trouble code ifengine starts.rn After repairs, erase learnt lambda control values: Wait 30 seconds. Disconnect battery or ECM multi-plug for at least 30 seconds.Carry out road test to allow ECM to re-learn basic values.Fauit location~ - ~ ~ g ~ ~ p e00000No fault foundProbable cause00281 1 Vehicle speed sensor (VSS) ] Wiring, speedometer, VSS00282 1 Idle speed control (ISC) actuator 1 Wiring, multi-plug incorrectly wired, ISC actuator00515 rn00516Crankshaft position (CUP) sensorClosed throttle position (CTP) switch00518 1 Throttle position (TP) sensor I Wiring, poor connection, TP sensor00522 ( Engine coolant temperature (ECT) sensor I Wiring, poor connection, ECT sensor0052300525Intake air temperature (IAT) sensorHeated oxygen sensor (H02S)00532 1 Engine control module (ECM) - supply voltage I Battery, wiringHeated oxygen sensor (H02S) - lambda control00537 rn 100561 HMixture control (MC)-Insecure rotor, wiring, CKP sensorAccelerator cable adjustment, CTP switchadjustment, wiring, CTP switchWiring, IAT sensorWiring, H02S, heating inoperative, fuel level lowHeating inoperative, exhaust leak, misfire, fuelpressurelpump, EVAP canister purge valveFuel level low, fuel pressurelpump, intakelexhaustleak, misfire, H02S, EVAP canister purge valve,injector, excessive fuel in engine oil00670 ( Idle speed control (ISC) actuator position sensor I Wiring, throttle valve, ISC actuator position sensor17978 Engine control module (ECM) immobilizer active lncorrectldamaged key, incorrectly coded, ECMlimmobilizer replacement without coding, wiring,immobilizer defective65535 Engine control module (ECM) ECMTrouble code may be displayed if engine is not idling during self-diagnosis due to missing CKP sensor signal. Ignore trouble code ifengine starts.rn After repairs, erase learnt lambda control values: Wait 30 seconds. Disconnect battery or ECM multi-plug for at least 30 seconds.Carry out road test to allow ECM to re-learn basic values.

Model: IbizalCordoba 1,411,6 IbizalCordoba 1,8Toledo 1,611,8 Inca 1,6Year: 1993-00Engine code:System:IF, ABD, ABS, ABU, ACC, ADZBosch Mono-Motronic MA1.2.3SEATEngine managementIbizalCorcbba, Inca - ctrfver's glcrwboxIIToledo - Mjaeent to steeringGeneral informationRefer to the front of this manual for general test conditions,terminology, detailed descriptions of wiring faults and ageneral trouble shooter for electrical and mechanical faults.Carry out road test for at least 10 minutes.Ensure accelerator pedal is briefly fully depressed andengine speed exceeds 3000 rpm.0 If engine does not start: Crank engine for 6 seconds. Leaveignition switched ON.AccessingThe engine control module (ECM) fault memory can only beaccessed using diagnostic equipment connected to the datalink connector (DLC).ErasingEnsure ignition switched OFF.Disconnect ECM multi-plug or battery earth lead.NOTE: ECM adaptive memory may be erased causing erraticrunning faults. Carry out road test to allow ECM tore-learn basic values.Diagnostic equipment can also be used to erase data fromECM fault memory.WARNING: Disconnecting the battery may erase memory fromelectronic units (e.g. radio, clock)./Autodata I Engmemanagement 583

IEngine managementTrouble code identificationI00000 I No fault found -00281 I Vehicle speed sensor (VSS) I Wiring, speedometer, VSS00282 1 Idle speed control (ISC) actuator I Wiring, multi-plug incorrectly wired, ISC actuator0051 5 rn0051600518Crankshaft position (CKP) sensorClosed throttle position (CTP) switchThrottle position (TP) sensor00522 I Enaine coolant temoerature (ECTI sensor I Wirina, poor connection. ECT sensor00523 1 Intake air temperature (IAT) sensor I Wiring, IAT sensor00525005320053700561Heated oxygen sensor (H02S)Engine control module (ECM) - supply voltageHeated oxygen sensor (H02S) - lambda controlMixture control (IInsecure rotor, wiring, CKP sensorAccelerator cable adjustment, wiring, CTP switchWiring, poor connection, TP sensorWiring, H02S, heating inoperative, fuel level lowBattery, wiringHeating inoperative, exhaust leak, misfire, fuel pressure1pump, EVAP canister purae valveFuel level low, fuel pressurelpump, intakelexhaust leak,misfire, H02S, EVAP canister purge valve, injector,excessive fuel in engine oil00670 1 Idle speed cOntrol (ISC) actuator position sensor I Wiring, throttle valve, ISC actuator position sensor17978Engine control module (ECM) immobiiizer active65535 I Engine control module (ECM)lncorrectldamaged key, incorrectly coded, ECMlimmobilizer replacement without coding, wiring,immobilizer defectiveECMrn Trouble code may be displayed if engine is not idling during self-diagnosis due to missing CKP sensor signal. Ignore trouble code ifengine starts.After repairs, erase learnt lambda control values as follows: Wait 30 seconds. Disconnect battery or ECM multi-plug for at least30 seconds. Carry out road test to allow ECM to re-learn basic values.

Model: Arosa IbizalCordoba Toledo ToledolLeonAlhambraYear: 1991 -02TransmissionArosa, lbtzalCordoba 1999-4 - in fascia fuseboxIbirat(=ordoba -4999 - driver's gloveboxIIIToledo -r03199 - adjacent to steering columnIToledo 03199 +, Leon - centre consoleAhambra WOO -r - fascia, drivw's side

pJMSEATModel: Arosa IbizalCordoba Toledo ToledolLeon AlhambraITransmission4motion - manual 516 speed 4WDNOTE: Vehicle equipped with an electronically controlled Haldexcoupling.General informationRefer to the front of this manual for general test conditions,terminology, detailed descriptions of wiring faults and ageneral trouble shooter for electrical and mechanical faults.Accessing and erasingThe four wheel drive control module fault memory can onlybe accessed and erased using diagnostic equipmentconnected to the data link connector (DLC).Trouble code identificationRefer to Volkswagen GolflBora 1997 +, see page 776AutomaticGeneral informationRefer to the front of this manual for general test conditions,terminology, detailed descriptions of wiring faults and ageneral trouble shooter for electrical and mechanical faults.Automatic transmission in 'P'.Data link connector (DLC) - 2-pin: (A) black, (B)brownlwhite.Accessing and erasingThe transmission control module (TCM) fault memory canonly be accessed and erased using diagnostic equipmentconnected to the data link connector (DLC).Trouble code identificationRefer to Volkswagen GolflBora 1997+, see page 776.

Model: Arosa IbizalCordoba Toledo ToledolLeonAlhambra IncaYear: 1995-02Immobilizer IArosa, IbizalCordoba 1999-- in fascia fuseboxIToledo 03/99+, Leon - centre consoleIAlhambra +05/00 - centre consoleTOW 43/99 - adjacent to stwrlng durnAlhambra 06100-- faacla, driwsr's sirte- -