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Autodata - Diagnostic Trouble Codes Fault locations and probable causes - 2004 edition

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Model: Megane 1,9D Turbo Megane Scenic 1,9D Turbo<br />

Megane 1,9D Turbo rn Scenic 1,9D Turbo<br />

Espace 2,2D Turbo<br />

Year: 1997-03<br />

Engine code:<br />

F9Q 7301734, F9Q 7301734, F9Q 7311736, F9Q,<br />

G8T 7141716<br />

System: Bosch MSA 15.5 Bosch AS3.3<br />

Engine management<br />

Espace<br />

General information<br />

Refer to the front of this manual for general test conditions,<br />

terminology, detailed descriptions of wiring faults <strong>and</strong> a<br />

general trouble shooter for electrical <strong>and</strong> mechanical faults.<br />

Accessing <strong>and</strong> erasing<br />

No digital trouble codes available from vehicle<br />

manufacturer.<br />

The engine control module (ECM) fault memory can only be<br />

accessed <strong>and</strong> erased using diagnostic equipment able to<br />

display fault <strong>locations</strong> as a text description.<br />

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

I<br />

<strong>Fault</strong> locetlon 1 Probable cause<br />

Accelerator pedal position (APP) sensor - F9Q<br />

Barometric pressure (BARO) sensor - F9Q I ECM<br />

Brake pedal position (BPP) switch - F9Q<br />

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

supply voltage, APP sensor<br />

I Wiring short to earthlopen circuit, BPP switch<br />

Clutch pedal position (CPP) switch - F9Q 1 Wiring short to earthlopen circuit, CPP switch<br />

Cold start injection advance solenoid - G8T 716<br />

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

Engine control module (ECM)<br />

Engine control relay - F9Q<br />

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

Wiring, CKP sensor, flywheel, 4 slots at 90" - G8T 7141F9Q,<br />

2 slots at 180" - G8T 716<br />

I ECM<br />

I Wiring open circuit, engine control relay

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