Front Door Lock Actuator LH (Door Unlock Sensor)

FRONT DOOR LOCK ACTUATOR LH (DOOR UNLOCK SENSOR)

Description

Detects door lock condition of driver door.


Component Function Check


1. CHECK FUNCTION

With CONSULT
Check door unlock sensor in DATA MONITOR mode.





Is the inspection result normal?
YES- Door unlock sensor is OK.
NO- .


Diagnosis Procedure

Regarding Wiring Diagram information, Intelligent Key System.

1. CHECK UNLOCK SENSOR POWER SUPPLY

Check voltage between Intelligent Key unit connector terminal 28 and ground.










Is the inspection result normal?
YES- Front door lock assembly LH (door unlock sensor) is
OK.
NO- 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 harness connector (A) M164 terminal 28 and front door lock assembly LH (door unlock sensor) harness connector (B) D14 terminal 6.
28 - 6: Continuity should exist.
4.Check continuity between Intelligent Key unit harness connector (A) M164 terminal 28 and ground.
28 - Ground: Continuity should not exist.
Is the inspection result normal?
YES- GO TO 3
NO- Repair or replace harness between Intelligent Key unit and front door lock assembly LH (door unlock sensor).

3. CHECK UNLOCK SENSOR GROUND CIRCUIT

Check continuity between front door lock assembly LH (door unlock sensor) harness connector D14 terminal 4
and ground.





4 - Ground: Continuity should exist.
Is the inspection result normal?
YES- GO TO 4
NO- 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 harness connector M164 terminal 28 and ground.





28 - Ground: Approx. 5V
Is the inspection result normal?
YES- .
NO- Replace Intelligent Key unit. Service and Repair.


Component Inspection


1. CHECK DOOR UNLOCK SENSOR






Check door unlock sensor.





Is the inspection result normal?
YES- Inspection End.
NO- Replace front lock assembly LH (door unlock sensor). With Intelligent Key System.