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Trouble Godes - diagramas.diagram...

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Model: Range Rover 2,5D Turbo LAND ROVER<br />

<strong>Trouble</strong> code identification<br />

Flashlscanner Fault location<br />

type<br />

I<br />

I<br />

12<br />

Start and end of diagnosis - some models<br />

14<br />

15<br />

16<br />

17<br />

19<br />

2 1<br />

23<br />

Engine coolant temperature (ECT) sensor - voltage low<br />

Engine coolant temperature (ECT) sensor - voltage high<br />

Fuel temperature sensor - voltage low<br />

Fuel temperature sensor - voltage high<br />

Probable cause<br />

24 I Vehicle speed sensor (VSS) - no signal I Wiring, VSS, ECM<br />

-<br />

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

3 1 I Engine speed (RPM) sensor - no signal ( Wiring, RPM sensor<br />

34<br />

37<br />

Engine speed (RPM) sensor - incorrect signal<br />

Accelerator pedal position (APP) sensor - voltage high<br />

Accelerator pedal position (APP) sensor - incorrect idle<br />

speed signal<br />

Wiring short to positivelopen circuit, ECT<br />

sensor, ECM<br />

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

Wiring short to positivelopen circuit, ECT<br />

sensor, ECM<br />

Wiring, RPM sensor, reluctor ring, ECM<br />

Wiring short to positivelopen circuit, APP<br />

sensor, ECM<br />

Wiring, APP sensor, ECM<br />

39 I Immobilizer - activated 1 Wirina, incorrect kev, ECM<br />

41<br />

42<br />

Injection timing control - out of range<br />

Brake pedal position (BPP) switch - incorrect siqnal<br />

-<br />

Wiring, fuel injection pump, ECM<br />

Wiring. BPP switch<br />

43 Manifold absolute pressure (MAP) sensor, TC boost I Wiring, MAP sensor, TC<br />

pressure - invalid signal<br />

44<br />

Manifold absolute pressure (MAP) sensor, TC boost<br />

pressure - voltage low<br />

Manifold absolute pressure (MAP) sensor, TC boost<br />

pressure - voltage high<br />

Manifold absolute pressure (MAP) sensor, TC boost<br />

pressure - incorrect signal<br />

48 I Batte~y supply voltage - low I Wiring, battery, ECM relay, ECM<br />

49 I Glow plug control - circuit malfunction<br />

Wiring short to earth, MAP sensor<br />

Wiring short to positivelopen circuit, MAP<br />

sensor<br />

Wiring, MAP sensor, TC<br />

Wiring, glow plugs, glow plug control<br />

module<br />

54 I Fuel shut-off solenoid - circuit malfunction I Wiring short to earth, fuel shut-off solenoid<br />

55<br />

61<br />

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

Fuel quantity adjuster position sensor - incorrect signal<br />

Fuel quantity adjustment control - malfunction<br />

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

-- -<br />

Wiring, fuel quantity adjusterlposition<br />

sensor, ECM<br />

Wiring, module temperature switch,<br />

ambient temperature<br />

73 I Intake air temperature (IAT) sensor - voltage low I Wiring short to earth, IAT sensor, ECM<br />

74 / Intake air temperature (IAT) sensor - voltage high Wiring short to positivelopen circuit, IAT<br />

sensor, ECM<br />

8 1 I lniector needle lift sensor - circuit malfunction I Wiring, injector needle lift sensor<br />

ECM<br />

Wiring, fuel quantity adjuster position<br />

sensor<br />

82 I Injector needle lift sensor - incorrect signal I Injector needle lift sensor, ECM<br />

83<br />

84<br />

Immobilizer control module - programming<br />

Immobilizer control module - no siqnal<br />

Immobilizer control module incorrectlylnot<br />

programmed<br />

Immobilizer control module<br />

-a- Eng~ne management 375

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