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For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes REAR WINDOW DEFOGGER RELAY (C115) DEFOGGER RELAY CONTROL FRONT CONTROL MODULE Diagnostic Test 1. TEST FOR INTERMITTENT CONDITION With the scan tool, record and erase DTC’s Operate the Rear Window Defogger switch several times. Cycle the ignition from on to off 3 times and leave on. With the scan tool, read DTC’s. Does the scan tool display B106C – REAR DEFROST CONTROL Yes >> Go To 2 No >> The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic Perform BODY VERIFICATION TEST - VER 1. 2. REAR DEFOGGER RELAY Turn the ignition off. Install a known good relay in place of the Rear Window Defogger With the scan tool erase DTC’s Operate the Rear Window Defogger Switch several times. Cycle the ignition from on to off 3 times and leave on. With the scan tool, read DTC’s. Does the scan tool display B106C – REAR DEFROST CONTROL No >> Replace the original Rear Window Defogger Relay. Perform BODY VERIFICATION TEST - VER 1. Yes >> Go To 3 HB HEATED GLASS - ELECTRICAL DIAGNOSTICS 8G - 7 B106C–REAR DEFROST CONTROL CIRCUIT HIGH – FCM — (CONTINUED) |