18 · Diagnostics

K90 Instrument lights not working

Fault diagnosisK90 Instrument lights not working

With the key in the ON position and the side lights on, the instrument panel does not light up

NOTA: the side lights are working properly

Step	Test procedure	Result	Action
1	CHECK WITH DIAGNOSTIC EQUIPMENT Connect the Examiner to the diagnostic socket. Check the operatio of the instrument panel light in NQS active diagnosis.	OK	Move onto step 2
1		Instrument panel does not light up	Panel defective; Replace instrument panel Op. 5560B11 End of diagnosis
2	CHECK ELECTRICAL CIRCUIT Check the supplies for the instrument panel and its connection with the Body Computer : Wiring diagram E2530 INSTRUMENT LIGHTING	OK	Move onto step 3
2		Connections / supplies not correct	Restore the correct connections / supplies : Wiring diagram E5030 PETROL ENGINES ELECTRONIC CONTROL End of diagnosis
3	CORRECT OPERATION CHECK Check that the fault is no longer present	OK	Incorrect selection of diagnostic procedure
3		Instrument panel does not light up. Body Computer probably defective	Replace the Body Computer Op. 5505A32 Incorrect selection of diagnostic procedure

Parts & tools for this job For 2000 Alfa Romeo 147

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