B1D20

B1D20,B1D2C-MIRROR VERTICAL MOTOR CONTROL CIRCUIT HIGH - DDM/PDM





For a complete wiring diagram refer to Diagrams/Electrical.

- When Monitored:

Continuously.

- Set Condition:

When the Door Module senses voltage present on the Mirror Vertical Motor Driver circuit, when there should not be, for over 10ms., this code will set.

NOTE: This test covers both the Driver and Passenger code depending on the side the code appeared in.





Diagnostic Test

1. TEST FOR INTERMITTENT CONDITION

Turn the ignition on.

With the scan tool, record and erase DTC's

Turn the rear defogger ON.

Operate the Mirror Switch in all directions several times.

With the scan tool, read DTC's.

Does the scan tool display B1D20 or B1D2C-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 BODY VERIFICATION TEST - VER 1. Body Verification Test

2. TEST FOR A SHORTED MIRROR





Turn the ignition off.

Disconnect the appropriate door module C2 connector.

Turn the ignition on.

With the scan tool, record and erase DTC's

Turn the rear defogger ON.

Operate the Mirror Switch in all directions several times.

With the scan tool, read DTC's.

Does the scan tool display B1D20 or B1D2C-MIRROR VERTICAL MOTOR CONTROL CIRCUIT HIGH?

Yes

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

No

- Repair the mirror harness wires for a shorted condition or replace the mirror.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test