R01 Airbag failure warning light on (S.W.)

Make: Alfa Romeo
Model: 156 Factory Service Manual
Year: 1997–2002
Section: Air bag › R01 Airbag failure warning light on (S.W.)

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Fault diagnosisR01 Airbag failure warning light on (S.W.)

R01 Airbag failure warning light on (S.W.)

When the key is turned to the ON position, the AIR BAG warning light remains on after 5 secs.

NOTA: The AIR BAG warning light remains on after a fairly severe impact. Check whether the AIR BAG control unit has intervened and, if it has, replace it.

Step	Test procedure	Result	Action
1	AIR BAG CONTROL UNIT CHECK Connect the diagnostic equipment to the diagnostic socket and check: the control unit supply that there are no faults in the AIR BAG control unit the plausibility of all the parameters	OK	Move onto step 2
		No supply to the control unit	Restore the supply to the control unit End of diagnosis
		An error is detected in the control unit	Continue, following the instructions in the error reference chart, following the guided fault diagnosis steps on the special instrument End of diagnosis
		Lack of dialogue with the control unit	Restore the dialogue with the control unit End of diagnosis
2	CORRECT OPERATION CHECK Check that the fault is no longer present	OK	End of diagnosis
2		Fault persists	Incorrect selection of diagnostic procedure

‹ Prev Q06 Sunroof does not stop at end of stroke Next › S01 Engine pinging (1.6 TS/1.8 TS/2.0 TS/2.5 V6)

Parts & tools for this job For 1997 Alfa Romeo 156

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