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

05.02.2017 Views

-;'I RENAULT Model: Megane 1,411,612,O Scenic 1,411,612,O Year: 2002-04 Engine management Engine code: K4J 7301732, K4M 76017611782, F4R 7701771 System: Sagern 3000 MBgane - centre console Scenic - with sliding centre console, under trim panel I L Scenic - without sliding centre console, under carpet The engine control module (ECM) fault memory can only be General information accessed usina dia~nostic eaui~ment . . connected to the data 0 Refer to the front of this manual for general test conditions, link connector

Model: Megane 1,9D Year: 1999-02 Engine code: F8Q 622 System: Lucas EPIC Engine management I General information Refer to the front of this manual for general test conditions, terminology, detailed descriptions of wiring faults and a general trouble shooter for electrical and mechanical faults. Accessing and erasing No digital trouble codes available from vehicle manufacturer. The engine control module (ECM) fault memory can only be accessed and erased using diagnostic equipment able to display fault locations as a text description. Trouble code identification Fault location AC signal Accelerator pedal position (APP) sensor Barometric pressure (BARO) sensor Battery voltage - highllow Crankshaft position (CKP) sensor - signal Engine control module (ECM) Engine control relay Engine coolant blower motor relay - high speed Engine coolant blower motor relay - low speed I Probable cause Wiring, AC system, AC control module Wiring short to earthlopen circuitlshort to positive, APP sensor ECM I Wiring open circuitlearth wire, battery, alternator I Wiring, CKP sensor, flywheel ECM Wiring short to earthlopen circuitlshort to positive, supply voltage, earth connection, engine control relay, ECM Wiring short to earthlopen circuitlshort to positive, supply voltage, relay Wiring short to earthlopen circuitlshort to positive, supply voltage, relay /Autodata Eng~ne management 519

Model: Megane 1,9D<br />

Year: 1999-02<br />

Engine code: F8Q 622<br />

System: Lucas EPIC<br />

Engine management I<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 />

<strong>Fault</strong> location<br />

AC signal<br />

Accelerator pedal position (APP) sensor<br />

Barometric pressure (BARO) sensor<br />

Battery voltage - highllow<br />

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

Engine control module (ECM)<br />

Engine control relay<br />

Engine coolant blower motor relay - high speed<br />

Engine coolant blower motor relay - low speed<br />

I Probable cause<br />

Wiring, AC system, AC control module<br />

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

ECM<br />

I Wiring open circuitlearth wire, battery, alternator<br />

I<br />

Wiring, CKP sensor, flywheel<br />

ECM<br />

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

earth connection, engine control relay, ECM<br />

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

relay<br />

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

relay<br />

/<strong>Autodata</strong><br />

Eng~ne management 519

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