22 · Diagnostics

Heater plugs warning light not working

Fault diagnosisHeater plugs warning light not working

HEATER PLUGS WARNING LIGHT NOT WORKING

1.9 JTD 8v, 1.9 JTD 16v

With the key ON, the glow plug warning light does not come on or stays on and does not go off

0	PRELIMINARY CHECKS	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check initially that the engine fault warning light is not on	Move on to Step 1	Engine warning light on	Continue as instructed in the See table K101 MIL WARNING LIGHT STAYS ON (ENGINE STARTS)
1	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the Examiner equipment to the diagnostic socket. Check warning light operation in active diagnosis mode	Move on to Step 2	1. Warning light does not come on	1. Replace the instrument panel Op. 5560B10 CONTROL PANEL - R+R
		Move on to Step 2	2. Warning light comes on	2. Move on to Step 3
2	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check for errors in the NCM	Move on to Step 3	Errors indicated	Continue following the instructions indicated by the diagnostic equipment
3	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check for errors in the NBC	Move on to Step 4	Errors indicated	Continue following the instructions indicated by the diagnostic equipment
4	ELECTRICAL SYSTEM CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the connections between the heater plugs control unit, engine management control unit, body computer and instrument panel are correct See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT	Move on to Step	Connections faulty	Restore the correct connections.
5	CORRECT OPERATION CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present	End of diagnosis

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