1. Disconnect the left power mirror connector.
2. Measure the voltage between the left power mirror connector C1 terminal A and ground.

Is the voltage within the specified range?

4.5-5.5V

Go to Step 2

Go to Step 3

Measure the voltage between the left mirror connector C1 terminal A and terminal C.

Is the voltage within the specified range?

4.5-5.5V

Go to Step 4

Go to Step 5

Check for an open or a short to ground in CKT 788. If OK, Replace the left Door Control Module (DCM).

Is the repair complete?

Recheck the System Operation

Replace the left power mirror.

Is the replacement complete?

Recheck the System Operation

1. Repair the open in CKT 1251.
2. IF OK, Replace the left Door Control Module (DCM).

Is the replacement complete?

Recheck the System Operation