B3921 02
B3921 02
Group 2 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 voltage below 4.3 ± 0.2 V
- Output NOT activated.
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.