Initial Inspection and Diagnostic Overview

INSPECTION AND VERIFICATION

1. Verify the customer concern by operating the power window system.

Visual Inspection Chart:

2. Visually inspect for obvious signs of mechanical and electrical damage. Refer to the chart.
3. If the concern remains after the inspection, connect the diagnostic tool to the data link connector (DLC) located beneath the instrument panel and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle:
- check that 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 a data link diagnostic test. If the diagnostic tool gets no response from the ICM, refer to Module Communications Network (Information Bus).
6. Retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs and carry out self-test diagnostics for the ICM.
7. If the DTCs retrieved are related to the concern, go the ICM Diagnostic Trouble Code (DTC) Index to continue diagnostics. Instrument Cluster Module (ICM) Diagnostic Trouble Code Index
8. If DTCs are retrieved that are not found in the following ICM Diagnostic Trouble Code (DTC) Index, refer to the master ICM Diagnostics Trouble Code (DTC) index in Multifunction Electronic Control Module (General Module).
9. If no DTCs related to the concern are retrieved, proceed to the Symptom Chart to continue diagnostics. Symptom Related Diagnostic Procedures