Operation CHARM: Car repair manuals for everyone.

B1D20






B1D20-DRIVER MIRROR VERTICAL MOTOR CONTROL CIRCUIT HIGH





For a complete wiring diagram, refer to the Wiring Information Electrical Diagrams.

- When Monitored:
When the Mirror Vertical Driver Output is turned on.

- Set Condition:
If the Driver Door Module (DDM) senses Voltage on the (P71) Driver Mirror Vertical Driver circuit within 10 ms of turning on the Mirror Vertical Driver Output.





1. TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. Using a scan tool, record and erase Diagnostic Trouble Codes (DTCs).
3. Operate the Mirror Switch in all directions several times.
4. Cycle the ignition from on to off three times.
5. Turn the ignition on.
6. Using a scan tool, read DTCs.

Does the scan tool display DTC B1D20-DRIVER MIRROR VERTICAL MOTOR CONTROL CIRCUIT HIGH?

Yes

- Go To 2

No

- The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. TEST FOR A SHORTED OUTSIDE REARVIEW MIRROR




1. Turn the ignition off.
2. Disconnect the Driver Outside Rearview Mirror connector.
3. Turn the ignition on.
4. Using a scan tool, erase DTCs.
5. Operate the Mirror Switch in all directions several times.
6. Cycle the ignition from on to off three times.
7. Turn the ignition on.
8. Using a scan tool, read DTCs.

Does the scan tool display DTC B1D20-DRIVER MIRROR VERTICAL MOTOR CONTROL CIRCUIT HIGH?

Yes

- Go To 3

No

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

3. CHECK THE (P71) DRIVER MIRROR VERTICAL DRIVER CIRCUIT FOR A SHORT TO VOLTAGE




1. Turn the ignition off.
2. Disconnect the Driver Door Module C2 connector.
3. Turn the ignition on.
4. Measure the Voltage of the (P71) Driver Mirror Vertical Driver circuit between the Driver Door Module C2 connector and ground.

Is the Voltage above 0.2 Volts?

Yes

- Repair the (P71) Driver Mirror Vertical Driver circuit for a short to Voltage.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Driver Door Module (DDM).
- Perform the BODY VERIFICATION TEST. Body Verification Test.