A25 Alarm volumetric surveillance not working
- Make
- Alfa Romeo
- Model
- 156 Factory Service Manual
- Year
- 1997–2002
- Section
- Alarm › A25 Alarm volumetric surveillance not working
Fault diagnosisA25 Alarm volumetric surveillance not working
A25 Alarm volumetric surveillance not working
When the alarm is operated the volumetric surveillance does not work
| Step | Test procedure | Result | Action |
|---|---|---|---|
| 1 | CHECK WITH DIAGNOSTIC EQUIPMENT WARNING: it is possible to exclude the volumetric surveillance from the operation of the system see DESCRIPTION AND OPERATION: 5580E Anti-theft device ). (see 5580EF) Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket Check, in order:
| OK | |
| Error detected in the control unit or receiver |
End of diagnosis | ||
| Dialogue failure for diagnostic equipment between the control unit and the receiver |
End of diagnosis | ||
| 2 | CHECK VOLUMETRIC SENSORS Check, in order:
| OK | |
| Sensor faulty |
End of diagnosis | ||
| Connections broken |
End of diagnosis | ||
| 3 | CHECK CORRECT OPERATION Check that the fault is no longer present | OK | End of diagnosis |
| Fault persists | Incorrect selection of diagnostic procedure |
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