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

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Model: Voyager 2,4/3,3/3,8 Gr<strong>and</strong> Voyager 2,4/3,3/3,8<br />

Engine management<br />

EOBD<br />

t~ pe<br />

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

Compressed natural gas pressure sensor - voltage<br />

high<br />

Compressed natural gas pressure sensor - voltage<br />

low<br />

Probable cause<br />

Wiring, compressed natural gas pressure sensor<br />

Wiring, compressed natural gas pressure sensor<br />

PI294<br />

PI 295<br />

Pi296<br />

Idle speed control (ISC) system - rpm lowerlhigher<br />

than expected<br />

Throttle position (TP) sensor - supply voltage<br />

Manifold absolute pressure (MAP) sensor -<br />

supply voltage<br />

Wiring, air leak, throttle valve tightlsticking, IAC valve<br />

Wiring, TP sensor, ECM<br />

Wiring, MAP sensor, ECM<br />

PI297 I Manifold absolute pressure (MAP) sensor I Wiring, hose connection(s), MAP sensor<br />

PI298 1 System too lean at prolonged wide open throttle lntakelexhaust leak, MAP sensor, fuel pressurelpump,<br />

injector(s), H02S<br />

PI 299 Manifold absolute pressure (MAP) sensorlthrottle Intake leak, hose connection(s), MAP sensor,<br />

position (TP) sensor<br />

TP sensor<br />

PI388 1 Engine control relay I Wiring open circuitlshort circuit, engine control relay<br />

PI391<br />

PI 398<br />

PI486<br />

PI488<br />

PI490<br />

Pi491<br />

Engine control relay<br />

Crankshaft position (CKP) sensorlcamshaft position<br />

(CMP) sensor - signal synchronisation<br />

Crankshaft position (CKP) sensorlcamshaft position<br />

(CMP) sensor - intermittent signal<br />

Engine control module (ECM) - misfire detection<br />

limit reached<br />

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

detected<br />

Engine control module (ECM) - auxiliary 5 volt<br />

output low<br />

Engine coolant blower motor relay<br />

Engine coolant blower motor relay<br />

Engine coolant blower motor relay - circuit<br />

malfunction<br />

Battery ambient temperature sensor - high input<br />

Battery ambient temperature sensor - voltage low<br />

- --<br />

Wiring open circuit, engine control relay<br />

Timing belt looseljumped position, CKP sensor,<br />

CMP sensor<br />

Wiring, poor connection, air gap, CKP sensor,<br />

CMP sensor<br />

Wiring, poor connection, CKP sensor<br />

Hose connection(s), hose blockedltrapped,<br />

EVAP canister<br />

Wiring, ECM<br />

Wiring open circuitlshort circuit, engine coolant blower<br />

motor relay - high speed<br />

Wiring short circuit to positive, battery ambient<br />

temperature sensor, ECM<br />

Wiring, battery ambient temperature sensor<br />

Evaporative emission (EVAP) leak detection pump - Wiring, hose leaklblockage, EVAP leak detection pump<br />

pressure switch<br />

PI594 1 Alternator - voltage high 1 Wiring, battery, alternator<br />

PI 595<br />

PI 596<br />

Evaporative emission (EVAP) leak detection pump<br />

solenoid<br />

Engine control module (ECM) - 5 volt output low<br />

Wiring open circuitlshort circuit, engine coolant blower<br />

motor relay - low speed<br />

Wiring open circuitlshort circuit, engine coolant blower<br />

motor relay<br />

Wiring open circuitlshort circuit, hose leaklblockage,<br />

EVAP leak detection pump solenoid<br />

PI597 ( Cruise control master switch - low voltage I Wiring, cruise control master switch<br />

PI 598<br />

Cruise control<br />

Cruise control master switch - high voltage<br />

AC refrigerant pressure sensor - high input<br />

ECM<br />

Wiring open circuitlshort circuit, hoses, cruise control<br />

master switch, cruise control vacuum switching valve<br />

Wiring, cruise control master switch<br />

Wiring, AC refrigerant pressure too high (cooling fault/<br />

incorrectly charged), AC refrigerant pressure sensor<br />

/<strong>Autodata</strong><br />

Engme management<br />

201<br />

4

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