B3920 01

B3920 01

Group 1 Motor Output Circuit, Short to B+







Fault symptom
- Memory functions not working
- No memory functions work

On-board diagnosis

Type of diagnosis:
- Continually when the engine is run.
- Continuous

Enable criteria:
- When seat operation is permitted.

Fault criteria:
- Output NOT activated.
- When voltage on output exceeds 12 V.

System reaction to a fault:
- No memory functions work

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

Diagnosis regards:
- Electrical fault in connecting leads or component.
- To find electrical faults in the internal electronics of the seat.