B2652 01 - 02

B2652 01

Switch Illumination Circuit, Short to Ground







Fault symptom
- Button lighting not working.

On-board diagnosis

Type of diagnosis:
- Continuous

Enable criteria:
- When panel lighting is activated.

Fault criteria:
- Control module signal invalid.

System reaction to a fault:
- The control module attempts to activate button lighting during each new driving cycle.

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:
- Switch Illumination Passenger Door
(See also description of readings/activations in diagnostic tool)