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

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Flash type I <strong>Fault</strong> losa€bn<br />

38 Heated oxygen sensor (HQ2S)Ioxygen sensor (02s)-<br />

voltaw low<br />

Probable cause<br />

Wiring short to earth, ECM<br />

I<br />

-<br />

I<br />

39 I Heated oxygen sensor (H02S)Ioxygen sensor (02s) - I Wiring short to positive, ECM<br />

45<br />

46<br />

47<br />

48<br />

49<br />

52<br />

53<br />

54<br />

55<br />

Heated oxygen sensor (H02S)loxygen sensor (025)-<br />

rich mixture<br />

Secondary air injection (AIR) pump relay -voltage low<br />

Secondary air injection (AIR) pump relay - voltage high<br />

Battery supply voltage - low<br />

Battery supply voltage - high<br />

Engine control module (ECM)- MIL control<br />

Fuel pump relay - voftage low<br />

Fuef pump relay - voltage high<br />

Engine control module (ECM) - defective<br />

56 I Idle air control (IAC) valve - voltage low<br />

57 I Idle air control (IAC) valve - voltage high<br />

Wiring, ECTllAT sensor, MAFNAF sensor,<br />

CTP switch, fuel system, ECM<br />

Wiring open circuiffshort to earth, fuse, AIR pump<br />

relay, AIR solenoid, AIR pump<br />

Wiring open circuiffshort to positive, fuse, AIR pump<br />

relay, AIR solenoid, AIR pump<br />

Wiring, battery, ECM relay, ECM<br />

Alternator, regulator<br />

Wiring short to positive, ECM<br />

Wiring short to earth, fuel pump relay, fuel pump,<br />

ECM<br />

Wiring short to positive, fuel pump relay, fuel pump,<br />

ECM<br />

ECM<br />

Wiring short to earth, IAC valve, ECM<br />

Wiring short to positive, IAC valve, ECM<br />

59 I Immobilizer control module - programming<br />

I<br />

Immobilizer control module incorrectlylnot<br />

programmed<br />

6 1<br />

62<br />

65<br />

69<br />

71<br />

Evaporative emission (EVAP) canister purge<br />

valve - voltage low<br />

Evaporative emission (EVAP) canister purge<br />

valve - voltage high<br />

Module temperature switch, ECM - temperature high<br />

Intake air temperature (IAT) sensor voltage low<br />

Intake air temperature (IAT) sensor - voltage hiih<br />

73 f Mass air Row (WF) sensor - voltage low<br />

74 1 Mass air flow (MF) sensor - voltage high<br />

75 I AT torque control, signal - voltage low Wiring open circuit<br />

76<br />

81<br />

82<br />

83<br />

84<br />

87<br />

88<br />

AT torque control, signal - continuous<br />

Injector 1 - voltage low<br />

Injector 2 - voltage low<br />

Injtxt0r 3 - voltage low<br />

Injector 4 - voltage low<br />

AC control signal - voltage low<br />

AC control signal - voltage high<br />

Wiring short to earth, EVAP canister purge valve,<br />

ECM<br />

Wiring short to positive, EVAP canister purge valve,<br />

ECM<br />

Wiring, module temperature switch, ECM<br />

overheating<br />

Wiring short to earth, IAT sensor, ECM<br />

Wiring short to positive, IAT sensor, ECM<br />

Wiring short to earth, MAF sensor, ECM<br />

Wiring short to positive, MAF sensor, ECM<br />

Wiring, ECM, TCM<br />

Wiring short to earth, injector, ECM<br />

Wiring short to earth, injector, ECM<br />

Wiring short to earth, injector, ECM<br />

Wiring short to earth, injector, ECM<br />

Wiring short to earth, AC cut-off relay, ECM<br />

Wiring short to positive, AC cut-off relay, ECM<br />

91 I Oxygen sensor heater - volta ] Wiring short to positive, ECM<br />

92<br />

93<br />

94<br />

98<br />

Camshaft position (CMP) sensor - incorrect signal<br />

Immobilizer control module no signal<br />

fmmobilizer control module - incorrect signal<br />

Oxygen sensor heater - voltage low<br />

Wiring, CMP sensor<br />

Immobilizer control module<br />

Immobilizer control module<br />

Wiring short to earth, ECM<br />

4

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