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AV-170 < DTC/CIRCUIT DIAGNOSIS > [AUDIO WITH NAVIGATION] STEERING SWITCH GROUND CIRCUIT STEERING SWITCH GROUND CIRCUIT Description INFOID:0000000012202585 Transmits the steering switch signal to NAVI control unit. Diagnosis Procedure INFOID:0000000012202586 1. CHECK STEERING SWITCH SIGNAL GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect NAVI control unit connector and spiral cable connector. 3. Check continuity between NAVI control unit harness connector and spiral cable harness connector. Is the inspection result normal? YES >> GO TO 2. NO >> Repair harness or connector. 2. CHECK SPIRAL CABLE Check spiral cable. YES >> GO TO 3. NO >> Replace spiral cable. Refer to 3. CHECK GROUND CIRCUIT 1. Connect NAVI control unit connector. 2. Check continuity between NAVI control unit harness connector and ground. Is the inspection result normal? YES >> GO TO 4. NO >> Replace NAVI control unit. Refer to AV-182, "Removal and Installation" 4. CHECK STEERING SWITCH 1. Turn ignition switch OFF. 2. Check steering switch. Refer to AV-170, "Component Inspection" Is the inspection result normal? YES >> INSPECTION END NO >> Replace steering switch. Refer to AV-195, "Removal and Installation" Component Inspection INFOID:0000000012202587 Measure the resistance between the steering switch connector. NAVI control unit Spiral cable Continuity Connector Terminal Connector Terminal M108 15 M33 33 Existed NAVI control unit Ground Continuity Connector Terminal M108 15 Existed |