Unlock Sensor Check

INTELLIGENT KEY SYSTEM


Unlock Sensor Check

1.CHECK UNLOCK SENSOR INPUT SIGNAL
Check voltage between Intelligent Key unit connector and ground.










OK or NG
OK >> Unlock sensor circuit is OK.
NG >> GO TO 2
2.CHECK UNLOCK SENSOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and front door lock actuator LH (door unlock sensor) connector.
3. Check continuity between Intelligent Key unit connector (A) terminal 28 and front door lock actuator LH (door unlock sensor) connector (B) terminal 4.










4. Check continuity between Intelligent Key unit connector and ground.





OK or NG
OK >> GO TO 3
NG >> Repair or replace harness between Intelligent Key unit and front door lock actuator LH (door unlock sensor).
3.CHECK UNLOCK SENSOR OPERATION
Check unlock sensor.










OK or NG
OK >> GO TO 4
NG >> Replace unlock sensor.
4.CHECK UNLOCK SENSOR GROUND CIRCUIT
Check continuity between front door lock actuator LH (door unlock sensor) connector and ground.










OK or NG
OK >> GO TO 5
NG >> Repair or replace harness.
5.CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL
1. Connect Intelligent Key unit harness connector.
2. Check voltage between Intelligent Key unit connector and ground.










OK or NG
OK >> Replace front door lock actuator LH (door unlock sensor). Refer to Removal and Installation.
NG >> Replace Intelligent Key unit. Refer to Service and Repair.