B0120 01

B0120 01

Driver Side Rear Belt Pretensioner Circuit, Short to B+

Fault symptom
- Airbag warning lamp is lit

On-board diagnosis

Type of diagnosis:
- Continuous

Enable criteria:
- Ignition ON.

Fault criteria:
- When control module output exceeds 4.3 V.

System reaction to a fault:
- The airbag system should be considered non-operational. There may, however, be some functionality.

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

IMPORTANT: Read "Before starting fault diagnosis" under Fault diagnosis, general before beginning fault diagnosis.