22 · Diagnostics

Heater plugs warning light not working

Fault diagnosisHeater plugs warning light not working

HEATER PLUGS WARNING LIGHT NOT WORKING

1.3 JTD 16v

With the ignition key in the ON position, the heater plugs warning light does not come on and then, after a few moments, it does not go off

0	PRELIMINARY CHECKS	All OK	Problems met	Operation
		Results of the tests
	First check that the MIL warning light has not come on	Continue to Step 1	MIL warning light on	Continue as instructed See table K101 M.I.L WARNING LIGHT STAYS ON
1	CHECK WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Connect the Examiner to the diagnostic socket Carry out the active diagnosis of the warning lights	Continue to Step 2	The warning light does not come on	Replace instrument panel Op. 5560B11
2	CHECKING ELECTRICAL EQUIPMENT	All OK	Problems met	Operation
	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	Continue to Step 3	Connections faulty	Restore the correct connections See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT
3	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis

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