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DEF-22 < DTC/CIRCUIT DIAGNOSIS > REAR WINDOW DEFOGGER SWITCH Is the inspection result normal? YES >> GO TO 4. NO >> GO TO 3. 3. CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT 1. Disconnect BCM connector. 2. Check continuity between BCM harness connector and A/C amp. harness connector. 3. Check continuity between BCM harness connector and ground. Is the inspection result normal? YES >> Replace BCM. Refer to BCS-98, "Removal and Installation" NO >> Repair or replace harness. 4. REPLACE A/C AMP. 1. Turn ignition switch OFF. 2. Replace A/C amp. 3. Turn ignition switch ON. 4. Operate rear window defogger switch and check the operating condition. Is the inspection result normal? YES >> INSPECTION END. NO >> GO TO 5. 5. CHECK INTERMITTENT INCIDENT GI-42, "Intermittent Incident" Is the inspection result normal? >> INSPECTION END (+) (-) Voltage (Approx.) A/C amp. Connector Terminal M49 27 Ground JPMIA0012GB BCM A/C amp. Continuity Connector Terminal Connector Terminal M121 15 M49 27 Existed BCM Ground Continuity Connector Terminal M121 15 Not existed |