R05 Passenger airbag disablement warning light flashing

Fault diagnosisR05 Passenger airbag disablement warning light flashing

When the car is started, the Passenger Air Bag Disablement warning light comes on for 4 seconds, goes off and then flashes continuously

Step	Test procedure	Result	Action
1	CHECKING WITH DIAGNOSTIC EQUIPMENT Connect the Examiner to the diagnostic socket Check no faults are present	OK	Move onto step 2
		Presence of errors (air bag fault warning light error)	Continue to follow instructions on the device End of diagnosis
		Inactive communication between Examiner and control unit	Move onto step 2
2	CHECKING ELECTRICAL EQUIPMENT Verify: connection between Facia Control Unit EOBD), Body Computer and Air Bag Control Unit connection between air bag control unit and instrument panel correct power supply to air bag control unit and instrument panel connections between air bag control unit and passenger air bag disablement switch Wiring diagram E7030 AIRBAG	OK	Move onto step 3
		Wiring faulty	Change wiring End of diagnosis
		Incorrect power supply	Restore the correct power supply Wiring diagram E7030 AIRBAG End of diagnosis
3	CHECKING WITH DIAGNOSTIC EQUIPMENT Connect an Examiner to the diagnostic socket In active diagnosis mode, check: Passenger Air Bag disabled warning light control	OK	Move onto step 4
3		Warning light does not go off under any condition; probable control unit fault	Replace air bag control unit Op. 5580C14 End of diagnosis
4	CHECKING CORRECT OPERATION Check it is working properly.	OK	Incorrect selection of diagnostic procedure
4		Fault persists	Incorrect selection of diagnostic procedure

Parts & tools for this job For 2000 Alfa Romeo 147

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