FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

PDM-20







PDM-20-PASSENGER MIRROR HORIZONTAL OUTPUT SHORT TO GROUND





For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
Whenever mirror is idle.

- Set Condition:
Driver circuit is shorted to ground.





Diagnostic Test

1. DTC PRESENT
With the scan tool, erase DTCs.
Cycle the ignition switch Off then back On.
With the scan tool, read DTCs.
Did the same DTC return?

Yes

- Go To2

No

- The conditions required to set the code are currently not present. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
- PERFORM BODY VERIFICATION TEST - VER 1.Body Verification Test

2. POWER MIRROR
Turn the ignition off.
Disconnect the Passenger Outside Rearview Mirror connector.
Turn the ignition on.
Using the scan tool, erase DTC's.
Cycle the ignition switch Off then back On.
With the scan tool, read DTC's.
Did the same DTC return?

Yes

- Go To3

No

- Inspect the power mirror harness for a short, if OK replace the mirror.
- PERFORM BODY VERIFICATION TEST - VER 1.Body Verification Test

3. (P74) PASSENGER MIRROR HORIZONTAL DRIVER




Turn the ignition off.
Disconnect the Passenger Outside Rearview Mirror connector.
Turn the ignition on.
Measure the (P74) Passenger Mirror Horizontal Driver circuit to ground.
Is the resistance below 5.0 ohms?

Yes

- Repair the (P74) Passenger Mirror Horizontal Driver circuit for a short to ground.
- PERFORM BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Replace the Passenger Door Module.
- PERFORM BODY VERIFICATION TEST - VER 1.Body Verification Test