18 · Diagnostics

I30 Lights check not working

Make: Alfa Romeo
Model: 147 Factory Service Manual
Year: 2000–2002
Section: Lights › I30 Lights check not working

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Fault diagnosisI30 Lights check not working

I30 Lights check not working

With the ignition on, the Body Computer does not detect faults in the operation of the side lights, stop lights or rear fog lamps, despite the fact that they are not working, and the 'Light failure' warning light does not come on

Step	Test procedure	Result	Action
1	CHECKING WITH DIAGNOSTIC EQUIPMENT Connect the Examiner diagnostic equipment to the diagnostic socket. Check light operation on the instrument panel while in active diagnosis mode	OK	Move onto step 2
		Light failure warning light does not come on	Replace instrument panel Op. 5560B11 End of diagnosis
		Light failure warning light comes on	Move onto step 2
2	CHECK ON BODY COMPUTER ELECTRICAL CIRCUIT Verify: connections between Body Computer and instrument panel CONNECTIONS BETWEEN BODY COMPUTER AND BULBS Body Computer power supply: Wiring diagram E2010 SIDE LIGHTS / NUMBER PLATE	OK	Move onto step 3
		Connections not correct	Restore the connections: Wiring diagram E2010 SIDE LIGHTS / NUMBER PLATE End of diagnosis
		Incorrect supply	Restore the correct supply Wiring diagram E2010 SIDE LIGHTS / NUMBER PLATE End of diagnosis
3	CHECKING CORRECT OPERATION Check that the fault is no longer present	OK	Incorrect selection of diagnostic procedure
3		Fault persists	Incorrect selection of diagnostic procedure

‹ Prev I21 Rear foglights not working Next › I50 Interior lights not working in any condition

Parts & tools for this job For 2000 Alfa Romeo 147

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