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 assembly LH
(door unlock sensor) connector.
3.Check continuity between Intelligent Key unit connector (A) terminal 28 and front door lock assembly LH (door unlock sensor)
connector (B) terminal 3.











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 assembly LH (door unlock sensor).

3. CHECK UNLOCK SENSOR OPERATION

Check unlock sensor.









OK or NG
OK- GO TO 4
NG- Replace front door lock assembly LH (door unlock sensor). Front Door Lock.


4. CHECK UNLOCK SENSOR GROUND CIRCUIT

Check continuity between front door lock assembly 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- Check the condition of harness and connector.
NG- Replace Intelligent Key unit. Service and Repair.