22 · Diagnostics

Airbag failure warning light on

Make: Fiat
Model: Doblò Factory Service Manual
Year: 2000–2010
Section: Air bags › Airbag failure warning light on

‹ Prev Central locking / not working with remote control Next › Airbag failure warning light off / (do not carry out initial test)

Fault diagnosisAirbag failure warning light on

AIRBAG FAILURE WARNING LIGHT ON

During starting, the air bag failure warning light comes on and remains on for more than 4 seconds (after the control unit initial test, the warning light should go out)

In the case of a reasonably serious impact which has caused the activation of the complete system (Air Bag and Side Bag), the warning light stays on. The control unit memory cannot be cleared, so the control unit must always be replaced. If, on the other hand, only the pretensioners or the Side Bags have been activated, the memory can be cancelled using the diagnostic equipment (Examiner or other instruments) twice. In this case the 'Air Bag Failure' warning light goes out. The control unit only has to be replaced if it is activated a third time.

1	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
		Results of the tests
	Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket	Check for faults in the control unit Continue to Step 10	Driver Bag Error detected	Continue to Step 2
		Check for faults in the control unit Continue to Step 10	Driver Bag Error detected	Continue to Step 3
	Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket	Check for faults in the control unit Continue to Step 10	Driver Bag Error detected	Continue to Step 2
			Passenger Bag Error detected	Continue to Step 3
			Driver Side Bag Error detected	Continue to Step 4
			Passenger Side Bag Error detected	Continue to Step 5
			Driver's Side Sensor Error detected	Continue to Step 6
			Passenger Side Sensor Error detected	Continue to Step 7
			Driver Pretensioner Error detected	Continue to Step 8
			Passenger Pretensioner Error detected	Continue to Step 9
2	DRIVER'S AIR BAG CHECK	All OK	Problems met	Operation
	Before any R/R operation involving the explosive charges, disconnect the battery leads for 10 minutes Check under what circumstances the error disappears See Test 5580CA	Continue to Step 10	The line closing resistance eliminates the error: bag faulty	Replace the bag Op. 5580C18
			The line closing resistance eliminates the error: bag faulty	Replace the clock spring Op. 5580C12
			The line closing resistance eliminates the error: bag faulty	Restore connections See E7030 AIRBAG
			The line closing resistance eliminates the error: bag faulty	Replace control unit Op. 5580C14
3	PASSENGER BAG CHECK	All OK	Problems met	Operation
	Before any R/R operation involving the explosive charges, disconnect the battery leads for 10 minutes Check under what circumstances the error disappears See Test 5580CB	Continue to Step 10	The line closing resistance eliminates the error: bag faulty	Replace the bag Op. 5580C22
			Connections not correct	Restore connections See E7030 AIRBAG
			Control unit faulty	Replace control unit Op. 5580C14
4	DRIVER'S SIDE BAG CHECK	All OK	Problems met	Operation
	Before any R/R operation involving the explosive charges, disconnect the battery leads for 10 minutes (referring to the driver's Side Bag line) check under what circumstances the error disappears See Test 5580CB	Continue to Step 10	The line closing resistance eliminates the error: side bag faulty	Replace the side bag
			Connections not correct	Restore connections See E7030 AIRBAG
			Control unit faulty	Replace control unit Op. 5580C14
5	PASSENGER SIDE BAG CHECK	All OK	Problems met	Operation
	Before any R/R operation involving the explosive charges, disconnect the battery leads for 10 minutes (referring to the passenger Side Bag line) check under what circumstances the error disappears See Test 5580CB	Continue to Step 10	The line closing resistance eliminates the error: side bag faulty	Replace the side bag
			The line closing resistance eliminates the error: side bag faulty	Restore connections See E7030 AIRBAG
			The line closing resistance eliminates the error: side bag faulty	Replace control unit Op. 5580C14
6	DRIVER'S SIDE SENSOR CHECK	All OK	Problems met	Operation
	Before any R/R operation involving the explosive charges, disconnect the battery leads for 10 minutes referring to the driver's Side Bag line See Test 5580CC	Continue to Step 10	Connections not correct	Restore connections See E7030 AIRBAG
			Sensor faulty	Replace the sensor
			Control unit faulty	Replace control unit Op. 5580C14
7	PASSENGER SIDE SENSOR CHECK	All OK	Problems met	Operation
	Before any R/R operation involving the explosive charges, disconnect the battery leads for 10 minutes referring to the passenger Side Bag line See Test 5580CC	Continue to Step 10	Connections not correct	Restore connections See E7030 AIRBAG
			Sensor faulty	Replace the sensor
			Control unit faulty	Replace control unit Op. 5580C14
8	DRIVER'S PRETENSIONER CHECK	All OK	Problems met	Operation
	Before any R/R operation involving the pretensioners, disconnect the battery leads for 10 minutes referring to the driver's Side Bag line See Test 5580CE	Continue to Step 10	The line closing resistance eliminates the error: pretensioner faulty	Replace the driver's pretensioner Op. 7065A10
			Connections not correct	Restore connections See E7030 AIRBAG
			Control unit faulty	Replace control unit Op. 7065A04
9	PASSENGER PRETENSIONER CHECK	All OK	Problems met	Operation
	Before any R/R operation involving the pretensioners, disconnect the battery leads for 10 minutes referring to the passenger Side Bag line See Test 5580CE	Continue to Step 10	The line closing resistance eliminates the error: pretensioner faulty	Replace the passenger pretensioner Op. 7065A10
			Connections not correct	Restore connections See E7030 AIRBAG
			Control unit faulty	Replace control unit Op. 7065A04
10	CHECKING CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present		Fault persists	Search for the fault starting from another symptom'

‹ Prev Central locking / not working with remote control Next › Airbag failure warning light off / (do not carry out initial test)

Parts & tools for this job For 2000 Fiat Doblò

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