FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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DDM-1A







DDM-1A-DRIVER MIRROR HORIZONTAL SENSOR CIRCUIT OPEN





For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
Continuously.

- Set Condition:
If the voltage on the Driver Mirror Horizontal Position Signal circuit is above 4.1 volts 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 Outside Rearview 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. (P65) DRIVER MIRROR HORIZONTAL POSITION SIGNAL




Turn the ignition off.
Disconnect the Driver Outside Rearview Mirror connector.
Turn the ignition on.
Measure the voltage of the (P65) Driver Mirror Horizontal Position Signal circuit in the Driver Outside Rearview Mirror harness connector.
Is the voltage between 4.5 and 5.5 volts?

Yes

- Go To3

No

- Go To6

3. (P69) DRIVER MIRROR SENSOR GROUND




Turn the ignition off.
Disconnect the Driver Outside Rearview Mirror connector.
Measure the resistance of the (P69) Driver Mirror Sensor Ground circuit in the harness connector to ground.
Is the resistance below 5.0 ohms?

Yes

- Go To4

No

- Go To5

4. DRIVER POWER MIRROR
If there are no possible causes remaining, view repair.

Repair

- Replace the Driver Outside Rearview Mirror.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

5. (P69) DRIVER MIRROR SENSOR GROUND WIRE




Turn the ignition off.
Disconnect the Driver Outside Rearview Mirror connector.
Disconnect the Driver Door Module C3 connector.
Measure the resistance of (P69) Driver Mirror Sensor Ground circuit between the driver door module connector and the Driver Outside Rearview Mirror connector.
Is the resistance below 5.0 ohms?

Yes

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

No

- Repair the open (P69) Driver Mirror Sensor Ground circuit.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

6. (P65) DRIVER MIRROR HORIZONTAL POSITION SIGNAL WIRE




Turn the ignition off.
Disconnect the Driver Outside Rearview Mirror connector.
Disconnect the Driver Door Module C3 connector.
Turn the ignition on.
Measure the voltage of (P65) Driver Mirror Horizontal Position Signal circuit.
Is there any voltage present?

Yes

- Repair the (P65) Driver Mirror Horizontal Position Signal circuit for a short to voltage.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Go To7

7. (P65) DRIVER MIRROR HORIZONTAL POSITION SIGNAL WIRE OPEN




Turn the ignition off.
Disconnect the Driver Door Module C3 connector.
Disconnect the Driver Outside Rearview Mirror connector.
Measure the resistance of the (P65) Driver Mirror Horizontal Position Signal circuit from the Driver Outside Rearview Mirror connector to the driver door module connector.
Is the resistance below 5.0 ohms?

Yes

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

No

- Repair the open (P65) Driver Mirror Horizontal Position Signal wire.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test