Initial Inspection and Diagnostic Overview

1. Verify the customer concern by operating the power exterior rear view mirrors or memory mirrors.
2. Visually inspect for obvious signs of mechanical and electrical damage.







3. If the vehicle is equipped with memory mirrors and the concern remains after the inspection, connect scan tool to the Data Link Connector (DLC) located beneath the instrument panel. Select the vehicle to be tested from scan tool menu.
^ Check that the program card is correctly installed.
^ Check the connections to the vehicle.
^ Check the ignition switch position.
4. If scan tool still does not communicate with the vehicle, refer to the scan tool manual.
5. Carry out the DATA LINK DIAGNOSTICS test. Pinpoint Test PC (Precheck)
If scan tool responds with:
^ CKT914, CKT915 or CKT70 ALL ECUS NO RESP/NOT EQUIP, refer to Module Communications Network (Information Bus).
^ NO RESPONSE/NOT EQUIPPED for DSM, go to Pinpoint Test J. Test J: No Communication With The Module-Driver Seat Module (DSM)
^ 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 no DTCs related to the concern are retrieved, proceed to the Symptom Chart. Symptom Related Diagnostic Procedures