Operation CHARM: Car repair manuals for everyone.

Check Unlock Sensor





INTELLIGENT KEY SYSTEM


Check Unlock Sensor

1.CHECK UNLOCK SENSOR POWER SUPPLY
With CONSULT-III
Check unlock sensor ("DOOR STAT SW") in "DATA MONITOR" mode.





Without CONSULT-III
Check voltage between Intelligent Key unit connector and ground.










OK or NG
OK - Unlock sensor 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 (driver side) connector.
3. Check continuity between Intelligent Key unit connector and front door lock assembly (driver side) connector.










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 (driver side).
3.CHECK UNLOCK SENSOR GROUND CIRCUIT
Check continuity between front door lock assembly (driver side) connector and ground.










OK or NG
OK - GO TO 4.
NG - Repair or replace harness.
4.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 assembly (driver side).
NG - Replace Intelligent Key unit.