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B1612-PANEL ILLUMINATION CONTROL CIRCUIT (CONTINUED) 2. CHECK THE UPPER SWITCH BANK FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Upper Switch Bank harness connector. Turn the ignition on. Activate the Panel Illumination. With the scan tool, read DTCs. Does the scan tool display- B1612-PANEL ILLUMINATION CON- Yes >> Go To 3 No >> Replace the Upper Switch Bank in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 3. CHECK THE LOWER SWITCH BANK FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Lower Switch Bank harness connector. Turn the ignition on. Activate the Panel Illumination. With the scan tool, read DTCs. Does the scan tool display- B1612-PANEL ILLUMINATION CON- Yes >> Go To 4 No >> Replace the Upper Switch Bank in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 8J - 26 INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS WK |