Workshop Manuals Factory service & repair Alfa Romeo
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Alfa Romeo 147 Factory Service Manual (2000-2004)22 · Fault diagnosis
22 · Diagnostics

Passenger air bag disabled warning light

Make
Alfa Romeo
Model
147 Factory Service Manual
Year
2000–2004
Section
Air bags › Passenger air bag disabled warning light
Fault diagnosisPassenger air bag disabled warning light

PASSENGER AIR BAG DISABLED WARNING LIGHT

On starting, the 'Passenger Air Bag Disabled' warning light comes on and remains on for longer than 4 seconds (control unit initial test)

With the Passenger Bag exclusion switch in the OFF position the warning light is lit, while in the ON position the light is not lit.

Results of the tests
0PRELIMINARY CHECKAll OKProblems metOperation

Verify:

  • That the passenger Air Bag disabling switch is in the ON position.
Continue to Step 1Switch not set to ONSe the switch correctly
1CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation

Connect the diagnostic equipment (Examiner or Examiner plus) to the diagnostic socket and check:

  • that there are not faults in the AIR BAG control unit.
Continue to Step 2There are errors in the control unit.Continue according to the instructions for the diagnostic equipment.
2CHECKING ELECTRICAL EQUIPMENTAll OKProblems metOperation

Verify:

  • whether the connection between the Air Bag control unit and instrument panel is shorting to earth or with broken circuit See E7030 AIRBAG
Continue to Step 3Faulty wiring: short to earthRenew the wiring See E7030 AIRBAG
Faulty wiring: broken circuit and warning light onRenew the wiring See E7030 AIRBAG
Faulty wiring: broken circuit and warning light onReplace instrument panel Op. 5560B11
3CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentFault persists

Replace air bag control unit Op. 5580C14

Search for the fault starting from another symptom'

Parts & tools for this job For 2000 Alfa Romeo 147

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