Operation CHARM: Car repair manuals for everyone.

Initial Inspection and Diagnostic Overview

INSPECTION AND VERIFICATION

1. Verify the customer concern by operating the power exterior mirrors or memory mirrors.


Visual Inspection Chart:






2. Visually inspect for obvious signs of mechanical and electrical damage.
3. If the vehicle is equipped with memory exterior mirrors and the concern remains after the inspection, connect the diagnostic tool to the data link connector (DLC) located beneath the instrument panel. Select the vehicle to be tested from the diagnostic tool menu.
- Check to make sure the program card is correctly installed.
- Check the connections to the vehicle.
- Check the ignition switch position.

4. If the diagnostic tool still does not communicate with the vehicle, refer to the diagnostic tool manual.
5. Carry out the DATA UNK DIAGNOSTICS test. If the diagnostic tool responds with:
- SCP+, SCP- OR UBP = ALL ECUS NO RESP/NOT EQUIP, refer to Module Communications Network (Information Bus).
- NO RESPONSE/NOT EQUIPPED for DSM, go to Multifunction Electronic Control Module (General Module).
- SYSTEM PASSED for the DSM, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs and carry out self test diagnostics for the DSM.

6. If the DTCs retrieved are related to the concern, go to DSM Diagnostic Trouble Code (DTC) Index. Diagnostic Trouble Code Descriptions
7. If DTCs are retrieved that are not found in the DSM Diagnostic Trouble Code (DTC) Index, refer to the master DSM Diagnostic Trouble Code (DTC) Index in Multifunction Electronic Control Module (General Module). Diagnostic Trouble Code Tests and Associated Procedures
8. If no DTCs related to the concern are retrieved, GO to Symptom Chart. Symptom Related Diagnostic Procedures