DDM-18

DDM-18-DRIVER MIRROR VERTICAL SENSOR CIRCUIT SHORT





For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
Continuously.

- Set Condition:
If the voltage on the Driver Vertical Position Signal circuit is below 0.1 volt for over 10 seconds, this code will set.





Diagnostic Test

1. STORED DTC
With the scan tool, erase the DTC from Driver Door Module.
Operate the driver's mirror and memory system.
Turn the ignition switch to the Off position then start the engine and let run for one minute.
With the scan tool check for the same DTC to return in the DDM.
Did the same DTC return?

Yes

- Go To2

No

- Using the wiring diagram/schematic as a guide, inspect the wiring and connectors for an intermittent condition.
- PERFORM BODY VERIFICATION TEST - VER 1.Body Verification Test

2. (P69) DRIVER MIRROR VERTICAL POSITION SIGNAL




Turn the ignition off.
Disconnect the Driver Power Mirror connector.
Turn the ignition on.
Measure the voltage of the (P69) Driver Mirror Vertical Position Signal circuit in the Driver Outside Rearview Mirror harness connector.
Is the voltage between 4.5 and 5.5 volts?

Yes

- Replace the Driver Power Mirror.
- PERFORM BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Go To3

3. (P69) DRIVER MIRROR VERTICAL POSITION SIGNAL WIRE




Turn the ignition off.
Disconnect the Driver Door Module C3 connector.
Disconnect the Driver Outside Rearview Mirror connector.
Measure the resistance of the (P69) Driver Mirror Vertical Position Signal circuit to ground at the Driver Outside Rearview Mirror harness side connector.
Is the resistance below 1000.0 ohms?

Yes

- Repair the (P69) Driver Mirror Vertical Position Signal wire for a short to ground.
- PERFORM BODY VERIFICATION TEST - VER 1.Body Verification Test

No

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