B1721 02

B1721 02

Mirror Button Circuit, Short to Ground







Fault symptom
- Power mirror cannot be operated

On-board diagnosis

Type of diagnosis:
- Continuous

Enable criteria:
- Ignition ON.
- Diagnostics run when power mirror is operated.

- The following diagnostic trouble codes may not be generated:
B1583
B3355

Fault criteria:
- Incorrect voltage drop over 124 Power mirror button.

System reaction to a fault:
- Power mirror cannot be operated

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:
- Mirror Switch
(See also description of readings/activations in diagnostic tool)