DDM / B1721 01
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Power mirror cannot be operated
Mirror Button Circuit, Short to B+
Fault symptom
Power mirror cannot be operated
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Diagnostics run when power mirror is operated. |
| The following diagnostic trouble codes may not be generated: |
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:
| (See also description of readings/activations in diagnostic tool) |
