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Trouble Godes - diagramas.diagram...

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1 Engine management/transmission<br />

<strong>Trouble</strong> code identification - Hex type<br />

Model: Cherokee 2,514,O Grand Cherokee 4,0/5,2/5,9 Wrangler 2,5/4,0<br />

Hex type Fault location Probable cause<br />

00<br />

01<br />

I DTC error<br />

I Camshaft position (CMP) sensor - no signal Wiring, CMP sensor<br />

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

ECM<br />

05<br />

06<br />

0 A<br />

Alternator - voltage low<br />

I Alternator - voltage high<br />

I Engine control relay<br />

Wiring, battery, alternator drive belt, alternator<br />

Wiring, battery, alternator<br />

Wiring open circuitlshort circuit, engine control relay<br />

06 Alternator, field control - circuit malfunction<br />

Wiring open circuitlshort circuit, alternator, battery<br />

OC Torque converter clutch (TCC) solenoid - electrical Wiring open circuitlshort circuit, TCC solenoid<br />

Cruise control<br />

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

control master switch, cruise control vacuum<br />

switching valve<br />

AC compressor clutch relay<br />

Wiring open circuitlshort circuit, AC compressor<br />

clutch relay<br />

12 Evaporative emission (EVAP) canister purge<br />

Wiring open circuitlshort circuit, EVAP canister purge<br />

valve - circuit malfunction<br />

valve<br />

13 Injector 3 - circuit malfunction<br />

Wiring, injector<br />

14<br />

15<br />

19<br />

1 A<br />

16<br />

Injector 2 - circuit malfunction<br />

I Injector 1 - circuit malfunction<br />

I Idle speed control (ISC) system - malfunction<br />

I Throttle position (TP) sensor - low input<br />

I Throttle position (TP) sensor - high input<br />

Wiring, injector<br />

Wiring, injector<br />

Wiring open circuitlshort circuit, IAC vaive<br />

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

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

1 Engine coolant temperature (ECT) sensor - low input Wiring short circuit to earth, coolant thermostat,<br />

ECT sensor<br />

/ Engine coolant temperature (ECT) sensor - high input Wiring open circuitlshort to positive, coolant<br />

thermostat, earth wire defective, ECT sensor<br />

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

ECT sensor<br />

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

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

25 Manifold absolute pressure (MAP) sensor - high input Wiring short circuit to positive, MAP sensor<br />

27<br />

28<br />

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

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

- --<br />

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

Wiring, air gap, CKP sensor<br />

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

2C<br />

3 1<br />

Enqine control relay<br />

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

Wiring open circuit, engine control relay<br />

ECM<br />

32 Shift solenoid (SS) A - electrical<br />

Wiring, shift solenoid, ECM/TCM<br />

39 Intake air temperature (IAT) sensor - low input Wiring short circuit to earth, IAT sensor<br />

3A Intake air temperature (IAT) sensor - high input<br />

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

defective, IAT sensor

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