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Trouble Godes - diagramas.diagram...

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Model: 200/400/600 2,O TD ROVER /I<br />

Engine management I<br />

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

Flash type I Fault location I Probable cause<br />

Erasing<br />

Switch ignition ON.<br />

Switch ignition OFF.<br />

Repeat approximately 50 times.<br />

Repeat checking procedure to ensure no data remains in<br />

ECM fault memory.<br />

12<br />

14<br />

I I<br />

I Start of diagnosis<br />

-<br />

I Engine coolant temperature (ECT) sensor - low voltage Wiring short to earth, supply voltage, ECT sensor,<br />

I ECM<br />

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

I ECM<br />

Fuel temperature sensor - low voltage<br />

Wiring short to earth, supply voltage, fuel<br />

temperature sensor, ECM<br />

17 Fuel temperature sensor - high voltage<br />

Wiring open circuitlshort to positive, fuel<br />

temperature sensor, ECM<br />

19<br />

2 1<br />

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

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

Wiring short to earthlopen circuit, CKP sensor, ECM<br />

Wiring short to earthkpen circuitkhort to positive.<br />

/ APP sensor, ECM<br />

22 Accelerator pedal position (APP) sensor - low voltage Wiring short to earthlopen circuit, APP sensor, ECM<br />

23 Accelerator pedal position (APP) sensor - plausibility Wiring short to earthlopen circuitlshort to positive,<br />

APP sensor, ECM<br />

24 Vehicle speed sensor (VSS) - plausibility<br />

Wiring short to earthlopen circuitlshort to positive,<br />

27<br />

Mass air flow (MAF) sensor - low voltage<br />

I<br />

supply voltage, VSS, ECM<br />

Wiring short to earthlopen circuit, supply voltage,<br />

earth connection, MAF sensor, ECM

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