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

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I=a<br />

management<br />

<strong>Trouble</strong> code identification<br />

Flash type / <strong>Fault</strong> locatbn Probable cause<br />

11111 1 No fault found I -<br />

12<br />

13<br />

Camshafi position (CMP) sensor, crankshaft position<br />

(CKP) sensorlengine speed (RPM) sensor - no signal<br />

Crankshaft position (CKP) sensorlengine speed (RPM)<br />

sensor - no signal over 1000 rpm<br />

14 I Ignition signal - no signal I Wiring, ignition amplifier, ignition coil, ECM<br />

16<br />

21<br />

22<br />

24<br />

25<br />

26<br />

27<br />

Transmission control signal<br />

Heated oxygen sensor (H02S)<br />

Engine coolant temperature (ECT) sensor - openlshort<br />

circuit<br />

Intake air temperature (IAT) sensor - openlshort circuit<br />

Weak mixture<br />

Rich mixture<br />

Oxygen sensor (02s)<br />

Wiring, CMP sensor, CKPIRPM sensor, ignition<br />

amplifier, ECM<br />

Wiring, CKPIRPM sensor, ignition amplifier, ECM<br />

Wiring, ECM<br />

Wiring, H02S, ECM<br />

Wiring, ECT sensor, ECM<br />

31 1 -1996: Volume air flow (VAF) sensor - circuit I Wiring, VAF sensor, ECM<br />

32<br />

33<br />

1996+: Manifold absolute pressure (MAP) sensor<br />

Volume air flow (VAF) sensor - circuit<br />

Idle air control (IAC) valve<br />

Wiring, IAT sensor, ECM<br />

Wiring, air leak, ECT sensor, IAT sensor, ignition<br />

system, fuel pressure, injector, VAFIMAP sensor,<br />

H02S102S. ECM<br />

Wiring, ECT sensor, IAT sensor, fuel pressure,<br />

injector, cold start injector, VAF sensor, H02S102S,<br />

ECM<br />

Wiring, 02S, ECM<br />

Wiring, MAP sensor, ECM<br />

Wiring, VAF sensor, ECM<br />

Wiring, IAC valve, ECM<br />

41 I Throttle position (TP) sensor I Wiring, TP sensor, ECM<br />

42 I Vehicle speed sensor (VSS)- circuit malfunction I Wiring, speedometer, VSS, ECM<br />

43<br />

51<br />

52<br />

53<br />

99<br />

-<br />

- -<br />

Starter signal<br />

Wiring, ignition switch, ECM<br />

Switch signal - AC switch ON during diagnosis<br />

Wiring, AC switch, AC control module, ECM<br />

Switch signal - PNP switch not in P or N during diagnosis Wiring, PNP switch, ECM<br />

Switch signal - throttle position (TP) sensor,<br />

I Wiring, TP sensor, ECM<br />

NO closed throttle signal during diagnosis<br />

-- -<br />

Knock sensor (KS)<br />

Wiring, KS, ECM<br />

Knock control - malfunction<br />

ECM<br />

Immobilizer control system - malfunction<br />

Wiring, immobilizer read coil amplifier, immobilizer<br />

read coil, immobilizer control module, ECM<br />

4

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