Passenger air bag disabled warning light
- Make
- Fiat
- Model
- Idea Factory Service Manual
- Year
- 2003–2012
- Section
- Instrument panel › Passenger air bag disabled warning light
‹ Prev Airbag warning light off / (do not carry out initial test)Next › Instrument lights / not working
Fault diagnosisPassenger air bag disabled warning light
PASSENGER AIR BAG DISABLED WARNING LIGHT
The fault warning light is on and the passenger air bag is not excluded from the control selector
The passenger Air Bag disabled warning light is lit up by a command from the Air Bag Node to the Body Computer sent via the C-CAN. The Body Computer sends the signal to the Instrument Panel Node via the B-CAN.
| Results of the tests | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|---|---|---|---|
Connect the EXAMINER diagnostic equipment and check the CAN NETWORK INFORMATION:
| Continue to Step 1 | Presence of faults in the CAN | Continue as instructed by the tester | |
| Impossible to converse with the Body Computer | Continue to Step 9 | |||
| 1 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
Keeping the diagnostic equipment connected, check for the following at the AIR BAG NODE:
| Continue to Step 4 | System/component fault | Continue according to the instructions for the diagnostic equipment | |
| Command not plausible | Continue to Step 2 | |||
| Presence of C-CAN faults | Continue to Step 11 | |||
| 2 | CHECKING ELECTRICAL EQUIPMENT | All OK | Problems met | Operation |
| Check the continuity and the insulation of the wires between the selector control on the passenger side facia and the airbag control unit. See E7030 AIRBAG | Continue to Step 3 | Wiring short circuited or circuit open | Replace wiring See E7030 AIRBAG | |
| 3 | CHECKING CONTROL SELECTOR | All OK | Problems met | Operation |
| Check the correct operation of the selector on the passenger side facia | Continue to Step 4 | Selector not working | Change passenger air bag disablement selector Op. 5580C26 | |
| 4 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Using the Examiner check, in the Instrument Panel Node ambient, that there are no errors and the following parameters are present. | Continue to Step 5 | There are errors | Continue in accordance with the instructions for the diagnostic equipment | |
| 5 | ELECTRIC POWER SUPPLY CHECK | All OK | Problems met | Operation |
| Check that the Instrument Panel Node electrical power supply is correct. | Continue to Step 6 | Positive and/or earth electrical power supply fault. | Replace the defective component (if a fuse is involved, search for the cause of the problem). | |
| 6 | CHECK ELECTRICAL CONNECTIONS | All OK | Problems met | Operation |
| Check the electrical connections between the Body Computer and the Instrument Panel, in particular that each individual pin is correctly connected. | Continue to Step 7 | Electrical connections not working. | Restore damaged electrical connection. | |
| 7 | CHECK WITH ACTIVE DIAGNOSIS | All OK | Problems met | Operation |
| With the Examiner in the Instrument Panel Node ambient, check, in active diagnosis, that the Passenger Air Bag warning light is correctly activated | Continue to Step 8 | The Air Bag warning light is not working properly | Replace the instrument panel Op. 5560B11 | |
| 8 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Using the Examiner, check, in the Body Computer Node ambient, that there are no errors and that the passenger Air Bag enablement status varies | Continue to Step 11 | Impossible to connect with the Body Computer control unit. | Continue to Step 9 | |
| Errors present. | Continue in accordance with the instructions for the diagnostic equipment | |||
| The parameter values do not change | Continue to Step 11 | |||
| 9 | ELECTRIC POWER SUPPLY CHECK | All OK | Problems met | Operation |
| Check that the Body Computer Node electrical power supply is correct. | Continue to Step 10 | Positive and/or earth electrical power supply fault. | Replace the defective component (if a fuse is involved, search for the cause of the problem). | |
| 10 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Using the Examiner, check the possibility of connecting with the Body Computer Node. | Continue to Step 8 | Impossible to connect with the Body Computer control unit. | Replace the Body Computer Op. 5580A32 | |
| 11 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | Fault persists | Replace the Body Computer Op. 5580A32 | |
‹ Prev Airbag warning light off / (do not carry out initial test)Next › Instrument lights / not working
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