B2925

B2925 0F

Alarm Siren, Internal Fault







Fault symptom
- Message "SERVICE ANTI-THEFT ALARM" shown on SID.

On-board diagnosis

Type of diagnosis:
- Continuous

Enable criteria:
- Car alarmed.

Fault criteria:
- Internal fault in siren, anti-theft alarm.

Checking the wiring harness
- Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

Diagnostic help
- Replace the siren.