Diagnosis Procedure
- CHECK ACCESSORY RELAY POWER SUPPLY-1
- Turn ignition switch OFF.
- Disconnect accessory relay.
- Check voltage between accessory relay harness connector and ground.
(+) (-) Condition Voltage (V) (Approx.) Accessory relay Terminal 1 Ground Ignition switch OFF 0 ACC or ON Battery voltage Is the inspection result normal?
YES: GO TO 3.
NO: GO TO 2.
- CHECK ACCESSORY RELAY POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect BCM connector.
- Check continuity between accessory relay harness connector and BCM harness connector.
Accessory relay BCM Continuity Terminal Connector Terminal 1 M122 95 Existed - Check continuity between accessory relay harness connector and ground.
Accessory relay Ground Continuity Terminal 1 Not existed Is the inspection result normal?
YES: GO TO 6.
NO: Repair or replace harness.
- CHECK ACCESSORY RELAY GROUND CIRCUIT
- Turn ignition switch OFF.
- Check continuity between accessory relay harness connector and ground.
Accessory relay Ground Continuity Terminal 2 Existed Is the inspection result normal?
YES: GO TO 4.
NO: Repair accessory relay ground circuit.
- CHECK ACCESSORY RELAY POWER SUPPLY CIRCUIT-2
- Turn ignition switch ACC.
- Check voltage between accessory relay harness connector and ground.
(+) (-) Voltage (V) (Approx.) Accessory relay Terminal 5 Ground Battery voltage Is the inspection result normal?
YES: GO TO 5.
NO: Check continuity open or short between accessory relay and battery.
- CHECK ACCESSORY RELAY
Refer to COMPONENT INSPECTION .
Is the inspection result normal?
YES: GO TO 6.
NO: Replace accessory relay.
- CHECK INTERMITTENT INCIDENT
Refer to INTERMITTENT INCIDENT .
INSPECTION END