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

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Model: Trooper 3,5<br />

EOBD<br />

type<br />

<strong>Fault</strong> location<br />

Crankshaft position (CKP) sensor - variation<br />

not learned<br />

Ignition control module (ICM)-<br />

cylinder identificationlsynchronization<br />

CKP sensorlCMP sensor - signal<br />

malfunction<br />

lgn~tion control module (ICM) -<br />

signal voltage high<br />

Ignition control module (ICM) - signal not<br />

switchmg<br />

ECM to ABS control module<br />

communication - invalid siqnal<br />

ECM to ABS control module<br />

communication - misfire detected<br />

G-force sensor - intermittent voltage low<br />

G-force sensor - performance problem<br />

G-force sensor - voltage low<br />

G-force sensor - voltage high<br />

G-force sensor - intermittent voltage high<br />

I<br />

Probable cause<br />

Learning procedure not performed<br />

I Wiring, ignition coil(s), ICM, ECM<br />

Wiring, CKPICMP sensor, mechanical fault<br />

Wiring, ignition control module, ignition system, mechanical<br />

fault, ECM<br />

Wiring, ignition control module, ignition system, mechanical<br />

fault, ECM<br />

Wiring, mechanical fault<br />

I Wiring, mechanical fault<br />

I Wiring, G-force sensor, mechanical fault, ECM<br />

I Wiring, G-force sensor, mechanical fault, ECM<br />

I Wiring, G-force sensor, mechanical fault, ECM<br />

I Wiring, G-force sensor, mechanical fault, ECM<br />

I Wiring, G-force sensor, mechanical fault, ECM<br />

Exhaust gas recirculation (EGR) solenoid - Wiring, EGR valve, EGR solenoid, EGR valve position sensor,<br />

valve closed<br />

mechanical fault, ECM<br />

Exhaust gas recirculation (EGR) valve - Wiring open circuitlshort circuit to positive, exhaust gas<br />

valve stuck open<br />

recirculation (EGR) valve position sensor, EGR solenoid<br />

Exhaust gas recirculation (EGR) system - Wiring, EGR valve, EGR solenoid, EGR valve position sensor,<br />

circuit malfunction<br />

I mechanical fault. ECM<br />

Secondary air injection (AIR) system, bank 1 ( Wiring, hoses blockedlleaking, AIR valve<br />

Secondary air injection (AIR) system, bank 2 1 Wiring, hoses blockedlleaking, AIR valve<br />

Evaporative emission (EVAP) system - leak<br />

detected<br />

Evaporative emission (EVAP) canister purge<br />

switch - voltage high<br />

Wiring, EVAP valve, EVAP solenoid, hoses, mechanical fault<br />

Wiring, EVAP valve, EVAP solenoid, hoses, mechanical fault<br />

ldle ar control (IAC) system - low rpm I Wiring, IAC valve, mechanical fault, ECM<br />

ldle air control (IAC) system - high rpm I Wiring, IAC valve, mechanical fault, ECM<br />

Throttle position (TP) sensor/mass air flow<br />

(MAF) sensor - signal variation<br />

Throttle valve comm<strong>and</strong>/actual valve throttle<br />

position - signal variation<br />

Throttle position motor - throttle position<br />

performance problem<br />

Parktneutral position (PNP) switch - circuit<br />

malfunction<br />

Throttle position motor - closed throttle<br />

position (CTP) performance problem<br />

AC compressor ctutch relay - circuit<br />

malfunction<br />

Wiring, TP sensor, MAF sensor, ECM<br />

Wiring, throttle valve sticking, throttle control unit, ECM<br />

Throttle valve tightlsticking, TP sensor, wiring, throttle control<br />

unit, ECM<br />

Wiring, PNP switch, mechanical fault<br />

Brake pedal position (BPP) switch - no / Wiring, BPP switch<br />

operation<br />

Throttle valve tightlsticking, TP sensor, wiring open circuitl<br />

short circuit to earth, throttle control unit, ECM<br />

Wiring open circuitlshort circuit to earthlshort circuit to<br />

positive, AC compressor clutch relay, ECM

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