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DEF-8 < DTC/CIRCUIT DIAGNOSIS > REAR WINDOW DEFOGGER SWITCH DTC/CIRCUIT DIAGNOSIS REAR WINDOW DEFOGGER SWITCH Description INFOID:0000000006247581 • The rear window defogger is operated by turning the rear window defogger switch ON. • Turns the indicator lamp in the rear window defogger switch ON when operating the rear window defogger. Component Function Check INFOID:0000000006247582 1. CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION Check that the indicator lamp of rear window defogger illuminates with rear window defogger switch ON. YES >> Rear window defogger switch function is OK. NO >> Refer to DEF-8, "Diagnosis Procedure A/C and AV Switch Assembly" "Diagnosis Procedure Front Air Control" Diagnosis Procedure A/C and AV Switch Assembly INFOID:0000000006247583 Regarding Wiring Diagram information, refer to . 1. CHECK A/C AND AV SWITCH ASSEMBLY (REAR WINDOW DEFOGGER SWITCH) CIRCUIT Operate the rear window defogger switch. YES >> Inspection End. NO >> GO TO 2 2. CHECK HARNESS CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect BCM and A/C and AV switch assembly. 3. Check continuity between BCM harness connector M18 (A) terminal 9 and A/C and AV switch assembly harness connector M98 (B) terminal 16. 4. Check continuity between BCM harness connector M18 (A) terminal 9 and ground. Is the inspection result normal? YES >> Replace A/C and AV switch assembly. Refer to VTL-7, "Removal and Installation" NO >> Repair or replace harness. BCM connector Terminal A/C and AV switch assembly connector Terminal Continuity M18 (A) 9 M98 (B) 16 Yes ALLIA0315ZZ BCM connector Terminal Ground Continuity M18 (A) 9 No 2011 Pathfinder |