B3135 02 - 03 LHD

B3135 02

Lock Motor Circuit, Short to Ground


Fault symptom
- Central locking, out of order.

On-board diagnosis

Type of diagnosis:
- Continuous

Enable criteria:
- When the car is locked/unlocked.

Fault criteria:
- Control module input short circuit to ground.

System reaction to a fault:
- When the fault is not active, the locking motor attempts to lock.

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.

Functions in the diagnostic tool related to the fault:

Test value:
- Lock Motor Passenger Door Locked
(See also description of readings/activations in diagnostic tool)