REAR WINDOW DEFOGGER SWITCH
The rear window defogger switch and timer circuit may be tested in the vehicle with or without the DRB III® scan tool.
TESTING WITH SCAN TOOL
Using a DRB III® scan tool, refer to the proper Body Diagnostic Procedures Manual.
TESTING WITHOUT SCAN TOOL
NOTE: For circuit descriptions and diagrams of the rear window defogger (EBL) system, refer to 8W - WIRING DIAGRAM INFORMATION.
(refer to 24 - HEATING & AIR CONDITIONING/CONTROLS/CONTROL-A/C HEATER - REMOVAL)
STEP 3
(refer to 8 - ELECTRICAL/HEATED GLASS - DIAGNOSIS AND TESTING)