3022713 - R01 AIRBAG FAILURE WARNING LIGHT ON

During starting, the 'Air Bag failure' warning light comes on and remains on for more than 4 seconds (control unit initial test)
Results of the tests
1CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect an Examiner to the diagnostic socket

Verify:

  • that there are no faults in the Air Bag control unit
Continue to Step 2Driver's Air Bag errorContinue to Step 2
Passenger Air Bag errorContinue to Step 3
Driver's Side Bag errorContinue to Step 4
Passenger Side Bag errorContinue to Step 4
Driver's Air Bag with curtain errorContinue to Step 5
Passenger Air Bag with curtain errorContinue to Step 5
Driver's pretensioner errorContinue to Step 6
Passenger pretensioner errorContinue to Step 6
Driver's satellite sensor errorContinue to Step 7
Passenger satellite sensor errorContinue to Step 7
Passenger Air Bag disabling switch errorContinue to Step 8
Air Bag failure warning light errorContinue to Step 9
Examiner does not converse

Verify:

  • supply and earth for AIR BAG control unit.
  • Connection between diagnostic socket and Air Bag control unit See   E7030  AIRBAG
2DRIVER'S AIR BAG CHECKAll OKProblems metOperation
Before any R/R operation involving the explosive charges, disconnect the battery leads for 10 minutes
See Test   5580CA  Driver's Air Bag check
Continue to Step 3Air Bag defective Replace Air Bag Op.   5580C18 
Clock spring defectiveReplace the clock spring Op.   5580C12 
Faulty wiringReplace wiring
Control unit defectiveReplace air bag control unit Op.   5580C14 
3PASSENGER AIR BAG CHECKAll OKProblems metOperation
Before any R/R operation involving the explosive charges, disconnect the battery leads for 10 minutes
See Test   5580CB  Passenger BAG, SIDE BAG and HEAD BAG check
Continue to Step 4Air Bag defective Replace Air Bag Op.   5580C22 
Faulty wiringReplace wiring
Control unit defectiveReplace air bag control unit Op.   5580C14 
4SIDE BAG CHECKAll OKProblems metOperation
Before any R/R operation involving the explosive charges, disconnect the battery leads for 10 minutes
See Test   5580CB  Passenger BAG, SIDE BAG and HEAD BAG check
Continue to Step 5Air Bag defective Replace Air Bag Op.   5580C44 
Faulty wiringReplace wiring
Control unit defectiveReplace air bag control unit Op.   5580C14 
5AIR BAG WITH CURTAIN CHECKAll OKProblems metOperation
Before any R/R operation involving the explosive charges, disconnect the battery leads for 10 minutes
See Test   5580CB  Passenger BAG, SIDE BAG and HEAD BAG check
Continue to Step 6Air Bag defectiveReplace Air Bag Op.   5580C50 
Faulty wiringReplace wiring
Control unit defectiveReplace air bag control unit Op.   5580C14 
6PRETENSIONER CHECKAll OKProblems metOperation
Before any R/R operation involving the explosive charges, disconnect the battery leads for 10 minutes
See Test   5580CE  Pretensioner check
Continue to Step 7Pretensioner defective Replace pretensioner Op.   7065A12 
Faulty wiringReplace wiring
Control unit defectiveReplace air bag control unit Op.   5580C14 
7SATELLITE SENSOR CHECKAll OKProblems metOperation
Before any R/R operation involving the explosive charges, disconnect the battery leads for 10 minutes
See Test   5580CF  Satellite sensor check
Continue to Step 8Sensor defectiveReplace satellite sensor Op.   5580C40 
Faulty wiringReplace wiring
Control unit defectiveReplace air bag control unit Op.   5580C14 
8PASSENGER AIR BAG DISABLING SWITCH CHECKAll OKProblems metOperation

Verify:

  • operation of passenger Air Bag disabling switch
  • connection between passenger Air Bag disabling switch and Air Bag control unit See   E7030  AIRBAG
Continue to Step 9Passenger Air Bag disabling switch faultyReplace the device Op.   5580C26 
Connections not correctReplace wiring; See   E7030  AIRBAG
9CHECKING ELECTRICAL EQUIPMENTAll OKProblems metOperation
Before any R/R operation involving the explosive charges, disconnect the battery leads for 10 minutes
Check the connection between the Air Bag control unit and the Air Bag failure warning light at the instrument panel connector.
To switch off the fault warning light, the AIR BAG control unit sends a posistive signal to the instrument panel.
Continue to Step 10Faulty wiringReplace wiring: See   E7030  AIRBAG
10CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check it is working properly.Fault persistsReplace air bag control unit Op.   5580C14  Search for the fault starting from another symptom'