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Autodata - Diagnostic Trouble Codes Fault locations and probable causes - 2004 edition

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Engine management<br />

Model: Lupo Polo 1,3 PololClassiclEstate GolfNentolBoralCabrio<br />

Beetle Passat Corrado (08192-95) Sharan<br />

CaddylPickup TransporterlCaravelle LT 2,s SDlllDl<br />

:-g:fpe <strong>Fault</strong> location Probable cause<br />

I<br />

2324 I Mass air flow (MAF) sensor Intake leak, wiring, MAF sensor<br />

2341 1 Heated oxygen sensor (HOZS) - lambda control Heating inoperative, intakelexhaust leak, misfire, fuel<br />

level low, fuel pressurelpump, injector(s), EVAP<br />

canister purge valve, MAF sensor filament burn-off,<br />

wiring, HO2S<br />

2342<br />

Heated oxygen sensor (H02S)<br />

241 1 I Exhaust gas recirculation temperature (EGRT) sensor<br />

Mixture control (MC)<br />

Wiring, H02S, heating inoperative, fuel level low<br />

Wiring, EGRT sensor<br />

Wiring, poor connection, IAT sensor<br />

Fuel level low, fuel pressurelpump, intakelexhaust<br />

leak, misfire, MAF sensor filament burn-off, H02S,<br />

EVAP canister purge valve, injector@), excessive fuel<br />

in engine oil<br />

3434 I Oxygen sensor heater relay Wiring, oxygen sensor heater relay<br />

-<br />

4312 Exhaust gas recirculation (EGR) solenoid<br />

Wiring, EGR solenoid<br />

4332 Engine control module (ECM)- output stages<br />

Wiring, ECM controlled components<br />

4343 I Evaporative emission (EVAP) canister purge valve Wiring, fuse, EVAP canister purge valve<br />

4411 I Injector 1 Wiring, fuse, injector<br />

4412<br />

Injector 2<br />

Wiring, fuse, injector<br />

4413<br />

lniector 3<br />

Wiring, fuse, injector<br />

4414 I Injector 4<br />

Wiring, fuse, injector<br />

4421 I Injector 5 Wiring, injector<br />

4422 ( Injector 6 Wiring, injector<br />

443 1<br />

4433<br />

Idle air control (IAC) valve<br />

Fuel DU~D<br />

relay<br />

4444 No fault found<br />

Wiring, IAC valve<br />

Wiring, fuse, fuel pump relay<br />

rn <strong>Trouble</strong> code may be displayed if engine is not idling during self-diagnosis due to missing CKP sensor signal. Ignore trouble code if<br />

engine starts.<br />

type I EOBD type I FM *cation<br />

5-diait<br />

- I PO I Refer to EOBD trouble code tabte I -<br />

00000 I - I No fault found I -<br />

00263<br />

00268<br />

00281<br />

00282<br />

00305<br />

-<br />

-<br />

-<br />

-<br />

-<br />

OO5I3 I -<br />

I -<br />

Transmission control module (TCM)-<br />

incorrect signal<br />

Idle speed control (ISC) actuator<br />

Vehicle speed sensor (VSS)<br />

idle speed control (ISC) actuatorlthrottle<br />

motor<br />

Instrument ane el, fuel consum~tion sianal<br />

I Crankshaft position (CKP) sensor<br />

I Crankshafl position (CKP) sensor<br />

I<br />

Air<br />

Probable cause<br />

Wiring short to earth, TCM trouble code(s) stored,<br />

ECM<br />

Wiring, ISC actuator<br />

Wiring, speedometer, VSS<br />

Throttle valve tightlsticking, wiring, multi-plug<br />

incorrectly wired, ISC actuatorlthrottle motor<br />

Wiring, instrument panel<br />

Air gap, metal particles, insecure sensorlrotor,<br />

wiring, CKP sensor<br />

gap, insecure sensorlrotor, wiring, poor<br />

connection, CKP sensor

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