Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
3. Press and release the Mirror Select switch to select the Driver Outside Rearview Mirror.
4. Turn the hazard lamps on.
5. Turn on the park lamps (if equipped with auto dimming mirrors).
6. Turn the rear defogger on, if equipped with heated mirror.
7. Operate the Mirror Adjust switch in all directions several times while monitoring the scan tool for DTCs.
  NOTE:
  After adjusting the mirror in one direction wait at least two seconds before adjusting the mirror in the opposite direction, as this will allow time for an active fault to set if present.
8. With the scan tool, read DDM DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - The conditions that caused this code to set are not present at this time. For vehicles equipped with folding outside rearview mirrors, repeat test with mirror folded. If no problems are found, use the wiring diagram/schematic as a guide and inspect the wiring and connectors.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (P75) DRIVER MIRROR HORIZONTAL DRIVER CIRCUIT FOR A SHORT TO ANOTHER CIRCUIT
1. Turn the ignition off.
2. Disconnect the Driver Door Module C2 connector.
3. Check for continuity between the (P75) Driver Mirror Horizontal Driver circuit and all other circuits at the Driver Door Module C2 connector.
  Is there continuity between the (P75) Driver Mirror Horizontal Driver circuit and any other circuit?
  
  Yes
  - Repair the (P75) Driver Mirror Horizontal Driver circuit for a short to another circuit
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3
CHECK THE MIRROR FUNCTION
1. Turn the ignition on.
2. With the scan tool, record and erase DTCs.
3. Press and release the Mirror Select switch to select the Driver Outside Rearview Mirror.
4. Operate the Mirror Adjust switch in all directions several times while monitoring the scan tool for DTCs.
  NOTE:
  After adjusting the mirror in one direction wait at least two seconds before adjusting the mirror in the opposite direction, as this will allow time for an active fault to set if present.
5. With the scan tool, read DDM DTCs.
  NOTE:
  Check for a change in DTCs.
  
  Is the DTC active?
  
  Yes
  - Replace the Door Module in accordance with the Service Information. Refer to MODULE, DOOR (DDM/PDM), REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Driver Outside Rearview Mirror in accordance with the Service Information. Refer to OUTSIDE REARVIEW MIRROR, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .