Rear Window Defoggers System: Description

Rear defogger system consists of a heating grid on inside of rear window, rear defogger switch (integral with climate control panel), Powertrain Control Module (PCM), Front Electronic Module (FEM), instrument cluster and rear window defogger relay. Some models are equipped with heated power mirrors. Power to rear window defogger grid is supplied from fuse No. 116 (30-amp) in battery junction box.

Rear window defogger system utilizes a self-diagnostic system which may store a Diagnostic Trouble Code (DTC) if a problem exists in system. DTCs may be retrieved using New Generation Star (NGS) tester and Data Link Connector (DLC) to diagnose system.