XI
Further Diagnosis ...............................................................................................................................637
Pinpoint Tests – Fuel............................................................................................................................ 638
Manifold Absolute Pressure (MAP) Sensor ........................................................................................638
Intake Air Temperature Sensor ..........................................................................................................641
Coolant Temperature Sensor .............................................................................................................644
Throttle Position Sensor .....................................................................................................................647
Oxygen Sensor Heater ........................................................................................................................650
Oxygen Sensor Heater ........................................................................................................................652
Oxygen Sensor ....................................................................................................................................654
Oxygen Sensor - Slow Response .........................................................................................................656
Fuel Injectors ......................................................................................................................................658
Engine Misfire .....................................................................................................................................662
Crankshaft Sensor ..............................................................................................................................658
Ignition Coils .......................................................................................................................................659
Secondary Air Injection Valve ............................................................................................................663
Purge Valve .........................................................................................................................................665
Fuel Level Sensor Circuit ....................................................................................................................667
Vehicle Speed Sensor .........................................................................................................................668
Cruise Control .....................................................................................................................................669
Engine Coolant Temperature Sensor Signal High ...............................................................................673
Engine Idle Lower than Expected .......................................................................................................673
Engine Idle Higher than Expected ......................................................................................................674
System Voltage ...................................................................................................................................674
Engine ECM Internal Error ..................................................................................................................676
5V Sensor Circuit A .............................................................................................................................676
5V Sensor Circuit B .............................................................................................................................678
5V Sensor Circuit C .............................................................................................................................680
5V Sensor Circuit D .............................................................................................................................682
Clutch Switch ......................................................................................................................................684
Gear Position Sensor ..........................................................................................................................686
Fuel Pump Relay .................................................................................................................................687
Immobiliser and TPMS Control Module ID Incompatible ..................................................................690
ABS Modulator Communication .........................................................................................................690
Cooling Fan Controller ........................................................................................................................693
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