K83 Passenger air bag disablement warning light off (initial test not run)
- Make
- Alfa Romeo
- Model
- 156 Factory Service Manual
- Year
- 1997–2002
- Section
- Instruments › K83 Passenger air bag disablement warning light off (initial test not run)
K83 Passenger air bag disablement warning light off (initial test not run)
On starting, the passenger Air Bag disablement warning light does not come on (it should come on for 4 seconds to indicate the initial test on the Air Bag control unit, and then go out)
| Step | Test procedure | Result | Action |
|---|---|---|---|
| 1 | CHECK WITH DIAGNOSTIC EQUIPMENT Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket Check that there is a regular dialogue with the Air Bag control unit | OK | |
| Lack of dialogue with the control unit | Restore:
End of diagnosis | ||
| An error is detected in the control unit |
End of diagnosis | ||
| 2 | CHECKING SPEEDOMETER POWER SUPPLY Check, in order:
| OK | |
| Connections not correct |
End of diagnosis | ||
| Component defective |
End of diagnosis | ||
| Not OK | End of diagnosis | ||
| 3 | SPEEDOMETER CHECK Check the operation of the speedometer: see DESCRIPTION AND OPERATION: 5560 Instruments (see 5560F) | OK | |
| Instrument not working |
End of diagnosis | ||
| 4 | CHECK CORRECT OPERATION Check that the fault is no longer present | OK | End of diagnosis |
| Fault persists | Incorrect selection of diagnostic procedure |
Parts & tools for this job For 1997 Alfa Romeo 156
- TOOLOBD2 scanner with SRSSearch: OBD2 scanner ABS SRS
- TOOLTrim removal tool kitSearch: trim removal tool kit
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