Only Driver Door Lock / Unlock Functions Do Not Operate

DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Only Driver Door LOCK / UNLOCK Functions do not Operate
- Only Driver Door LOCK / UNLOCK Functions do not Operate

DESCRIPTION

The main body ECU receives lock / unlock switch signals and activates the door lock motor accordingly.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM (DOOR LOCK)

(a) Select the Active Test, use Techstream to generate a control command, and then check that the doors lock / unlock.

Main body





OK:

Doors can lock / unlock.

OK -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)
NG -- Continue to next step.

2. READ VALUE USING TECHSTREAM (LOCK POSITION SWITCH)

(a) Use the Data List to check if the door lock is functioning properly.

Main body





OK:

When the door lock is operating, Techstream should display as shown in the table.

OK -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)
NG -- Continue to next step.

3. INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH





(a) Apply the battery voltage to the motor terminals and check the operation of the door lock motor.

OK:





(b) Measure the resistance of the door lock position switch.

Standard resistance:





NG -- REPLACE FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH
OK -- Continue to next step.

4. CHECK WIRE HARNESS (DOOR LOCK - ECU)





(a) Disconnect the H5 door lock connector.

(b) Disconnect the E15 ECU connector.

(c) Disconnect the IH junction block connector.

(d) Measure the resistance of the wire harness side connectors.

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR

OK -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)