K21 Fuel reserve warning light not working

Fault diagnosisK21 Fuel reserve warning light not working

With the ignition ON, the fuel reserve warning light does not come on when the tank is empty.

Step	Test procedure	Result	Action
1	CHECK WITH DIAGNOSTIC EQUIPMENT Connect the Examiner to the diagnostic socket. Verify: that there are no faults in the Body Computer; that there are no faults in the instrument panel;	OK	Move onto step 2
		Sensor with broken circuit, short circuited, value inconsistent/implausible in relation to actual fuel level.	Move onto step 2
		Body Computer faulty	Replace the Body Computer Op. 5505A32 End of diagnosis
		Panel defective	Replace the instrument panel Op. 5560B11 End of diagnosis
2	CHECK WITH DIAGNOSTIC EQUIPMENT Connect the Examiner to the diagnostic socket. Carry out the active diagnosis and check the opreation of the warning lights.	OK	Move onto step 3
2		The warning light does not come on	Panel defective. Replace the instrument panel Op. 5560B11 End of diagnosis
3	FUEL LEVEL SENSOR CHECK Check the operation of the fuel level sensor.	OK	Move onto step 4
3		Sensor not working	Replace the fuel pump assembly Op. 1040A70 End of diagnosis
4	CHECK ELECTRICAL CIRCUIT Check the continuity/insulation of the cable between the fuel level sensor and the Body Computer : Wiring diagram E4010 INSTRUMENT PANEL	OK	Move onto step 5
4		Cables broken/not insulated	Restore the cable continuity/insulation : Wiring diagram E4010 INSTRUMENT PANEL End of diagnosis
5	CORRECT OPERATION CHECK Check that the fault is no longer present	OK	Incorrect selection of diagnostic procedure
5		Body Computer faulty	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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