Rear Defogger Inoperative: SVX

Check fuse. If fuse is okay, check rear defogger switch. See REAR DEFOGGER SWITCH TEST  under TESTING. If switch is okay, check rear defogger relay. If relay is okay, check grid filament. See GRID FILAMENT under TESTING. If grid filament is okay, check grid filament ground. If grid filament ground is okay, check wiring harness. If wiring harness is okay, replace time control unit.