B3920 02
B3920 02
Group 1 Motor Output Circuit, Short to Ground
Fault symptom
- Memory functions not working
On-board diagnosis
Type of diagnosis:
- Continually when the engine is run.
Enable criteria:
- When seat operation is permitted.
Fault criteria:
- Output NOT activated.
- When voltage on output exceeds 4.3 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.