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SNOW MODE SWITCH EC-497 < DTC/CIRCUIT DIAGNOSIS > [VQ35HR] C D E F G H I J K L M A EC N P O Is the inspection result normal? YES >> GO TO 5. NO >> GO TO 4. 4. DETECT MALFUNCTIONING PART Check the following. >> Repair open circuit, short to ground or short to power in harness or connectors. 5. CHECK SNOW MODE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect “unified meter and A/C amp.” harness connector. 3. Check the continuity between snow mode switch harness connector and “unified meter and A/C amp.” 4. Also check harness for short to ground and short to power. Is the inspection result normal? YES >> GO TO 8. NO >> Repair open circuit, short to ground or short to power in harness or connector. 6. CHECK GROUND CONNECTION 1. Turn ignition switch OFF. 2. Check ground connection M95. Refer to Ground Inspection in Is the inspection result normal? YES >> GO TO 7. NO >> Repair or replace ground connection. 7. CHECK SNOW MODE INDICATOR LAMP GROUND CIRCUIT FOR OPEN AND SHORT 1. Check the continuity between snow mode switch harness connector and ground. 2. Also check harness for short to power. Is the inspection result normal? YES >> GO TO 8. NO >> Repair open circuit or short to power in harness or connectors. 8. CHECK SNOW MODE SWITCH EC-498, "Component Inspection" Is the inspection result normal? YES >> GO TO 9. NO >> Replace snow mode switch. Snow mode switch Ground Voltage Connector Terminal M176 1 Ground Battery voltage Snow mode switch Unified meter and A/C amp. Continuity Connector Terminal Connector Terminal M176 4 M66 23 Existed Snow mode switch Ground Continuity Connector Terminal M176 2 Ground Existed |