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Model: Voyager 2,4/3,3/3,8 Grand Voyager 2,4/3,3/3,8 CHRYSLER<br />

Hex type<br />

Fault location Probable cause<br />

Heated oxygen sensor (H02S) 1, bank 1 - no activity<br />

detected<br />

/<br />

'k,"<br />

Engine management I<br />

Wiring open circuit, heating inoperative, H02S<br />

Engine temperature low for long period Wiring, engine cooling system, coolant thermostat,<br />

ECT sensor<br />

23 1 Vehicle speed sensor (VSS) - signal Wiring, VSS<br />

24 I Manifold absolute pressure (MAP) sensor - low input Wiring short circuit to earth, MAP sensor<br />

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

- --<br />

Wiring short circuit to positive, MAP sensor<br />

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

Wiring, hose connection(s), MAP sensor<br />

28<br />

29<br />

2A<br />

Crankshaft position (CKP) sensor - no signal<br />

I Ignition coil C, pflmarylsecondary - circuit malfunction<br />

I Ignition coil B, primarylsecondary - circuit malfunction<br />

Wiring, air gap, CKP sensor<br />

Wiring, ignition coil<br />

Wiring, ignition coil<br />

2 B Ignition coil A, primarylsecondary - circuit malfunction Wiring, ignition coil<br />

2C Engine control relay<br />

Wiring open circuit, engine control relay<br />

2 E Exhaust gas recirculation (EGR) system - insufficient flow Hose leaklblockage, wiring, EGR valve,<br />

detected<br />

EGR solenoid<br />

30 Engine control module (ECM) - EEPROM error<br />

ECM<br />

3 1 Engine control module (ECM) - EEPROM error<br />

ECM<br />

39 Intake air temperature (IAT) sensor - low input<br />

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

Intake air temperature (IAT) sensor - high input<br />

Wiring open circuiffshort to positive, earth wire<br />

defective, IAT sensor<br />

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

pressure rangelperformance problem<br />

lntakelexhaust leak, wiring, MAP sensor<br />

3 D<br />

3 E<br />

I Injector 4 - circuit malfunction<br />

I Heated oxygen sensor (H02S) 1, bank 1 - high voltage<br />

Wiring, injector<br />

Wiring short circuit to positive, fuel pressure,<br />

injector control, EVAP canister purge valve, air filter<br />

blocked, H02S<br />

44 Engine control module (ECM) - internal fault<br />

ECM<br />

45<br />

46<br />

Injector 5 - circuit malfunction<br />

I Injector 6 - circuit malfunction<br />

Wiring, injector<br />

Wiring, injector<br />

52 Cruise control<br />

Wiring, cruise control vacuum switching valve<br />

5A AC refrigerant pressure sensor - high input<br />

I<br />

AC refrigerant pressure too high (cooling faulff<br />

incorrectly charged), wiring, AC refrigerant<br />

pressure sensor<br />

5 B AC refrigerant pressure sensor - low input<br />

AC refrigerant pressure too low (incorrectly<br />

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

CAN data bus, transmission control module (TCM) -<br />

no signal<br />

Wiring, TCM<br />

6 1 CAN data bus, body control module (BCM) - no signal Wiring, BCM<br />

65<br />

66<br />

Fuel pump relay<br />

I Heated oxygen sensor (H02S) 1, bank 1 - slow response<br />

Wiring open circuitlshort circuit, fuel pump relay<br />

Wiring, heating inoperative, H02S<br />

Heated oxygen sensor (H02S) 1, bank 1 - heater<br />

control - circuit malfunction<br />

Wiring, H02S<br />

Heated oxygen sensor (H02S) 2, bank 1, heater control - Wiring, H02S<br />

circuit malfunction<br />

/Autodata<br />

Eno~ne rnanaaernent 1197 1

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