K21 Fuel reserve warning light not working

Fault diagnosisK21 Fuel reserve warning light not working

With the ignition key in the ON position, the fuel reserve warning light does not come on when the tank is empty or comes on when the tank is full.

Step	Test procedure	Result	Action
0	PRELIMINARY CHECKS Check the operation of the fuel level gauge.	OK	Move onto step 1
0		The fuel level gauge does not work either	Move onto step (see K20)
1	CHECKING WARNING LIGHT Check the condition of the fuel reserve warning light, located in the central instrument	OK	Move onto step 2
1		Warning light faulty	Replace the central instrument warning light Op. 5560C51 End of diagnosis
2	CHECKING CENTRAL INSTRUMENT Check the central instrument is working properly, particularly the fuel level signal check device see DESCRIPTION AND OPERATION: 5560 Instruments (see 5560F)	OK	Move onto step 3
2		Device not working	Change the central instrument Op. 5560C51 End of diagnosis
3	CHECK CORRECT OPERATION Check that the fault is no longer present	OK	End of diagnosis
3		Fault persists	Incorrect selection of diagnostic procedure

Parts & tools for this job For 1997 Alfa Romeo 156

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