Power Door Lock Control System Key Lock-In Prevention Function Does Not Work Properly

Body Electrical. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
Door Lock. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE USING INTELLIGENT TESTER (UNLOCK WARNING SWITCH)

READ VALUE USING INTELLIGENT TESTER (DRIVER SIDE DOOR COURTESY LIGHT SWITCH)

INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH

CHECK WIRE HARNESS (SWITCH - ECU)

INSPECT UNLOCK WARNING SWITCH ASSEMBLY

CHECK WIRE HARNESS (SWITCH - ECU)

POWER DOOR LOCK CONTROL SYSTEM - Key Lock-in Prevention Function does not Work Properly


DESCRIPTION

When the key is in the ignition key cylinder or the door courtesy light ON signal is output to the main body ECU, performing the door lock operation with the lock switch does not lock the door.

WIRING DIAGRAM


Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Door Lock.Power Door Lock Control System.Power Door Lock Control System Key Lock-In Prevention Function Does Not Work Properly


INSPECTION PROCEDURE

1.READ VALUE USING INTELLIGENT TESTER (UNLOCK WARNING SWITCH)

  1. Use the Data List to check if the unlock warning switch is functioning properly.

    Main body ECU
    Item
    		Measurement Item / Display (Range)
    		Normal Condition
    		Diagnostic Note
    Key Unlock Warning SW
    		Unlock warning switch signal / ON or OFF
    		ON: Key is in ignition key cylinder
    OFF: No key is in ignition key cylinder
    		-
    OK:
    When the switch is operating, the intelligent tester should display as shown in the table.


NG
Go to step 5
OK


2.READ VALUE USING INTELLIGENT TESTER (DRIVER SIDE DOOR COURTESY LIGHT SWITCH)

  1. Use the Data List to check if the door courtesy light switch is functioning properly.

    Main body ECU
    Item
    		Measurement Item / Display (Range)
    		Normal Condition
    		Diagnostic Note
    D Door Courtesy SW
    		Driver side door courtesy light switch signal / ON or OFF
    		ON: Driver side door is open
    OFF: Driver side door is closed
    		-
    OK:
    When the switch is operating, the intelligent tester should display as shown in the table.


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


3.INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Door Lock.Power Door Lock Control System.Power Door Lock Control System Key Lock-In Prevention Function Does Not Work Properly

  1. Remove the front door courtesy light switch.

  1. Measure the resistance of the switch.

    Standard resistance:
    Tester Connection
    		Switch Condition
    		Specified Condition
    1 - Body ground
    		Not pushed (ON)
    		Below 1 Ω
    1 - Body ground
    		Pushed (OFF)
    		10 kΩ or higher


NG
REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH
OK


4.CHECK WIRE HARNESS (SWITCH - ECU)

Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Door Lock.Power Door Lock Control System.Power Door Lock Control System Key Lock-In Prevention Function Does Not Work Properly

  1. for LHD:

    1. Disconnect the K8 switch connector.

    2. Disconnect the IA junction block connector.

    3. Measure the resistance of the wire harness side connectors.

      Standard resistance:
      Tester Connection
      		Specified Condition
      K8-1 - IA-21 (DCTY)
      		Below 1 Ω

  1. for RHD:

    1. Disconnect the L4 switch connector.

    2. Disconnect the IC junction block connector.

    3. Measure the resistance of the wire harness side connectors.

      Standard resistance:
      Tester Connection
      		Specified Condition
      L4-1 - IC-6 (DCTY)
      		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK

REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)

5.INSPECT UNLOCK WARNING SWITCH ASSEMBLY


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Door Lock.Power Door Lock Control System.Power Door Lock Control System Key Lock-In Prevention Function Does Not Work Properly

  1. Remove the unlock warning switch.

  1. Measure the resistance of the switch.

    Standard resistance:
    Tester Connection
    		Switch Condition
    		Specified Condition
    1- 2
    		Not pushed
    		10 kΩ or higher
    1- 2
    		Pushed
    		Below 1 Ω


NG
REPLACE UNLOCK WARNING SWITCH ASSEMBLY
OK


6.CHECK WIRE HARNESS (SWITCH - ECU)


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Door Lock.Power Door Lock Control System.Power Door Lock Control System Key Lock-In Prevention Function Does Not Work Properly

  1. Disconnect the E9 switch connector.

  1. Disconnect the IE junction block connector.

  1. Measure the resistance of the wire harness side connectors.

    Standard resistance:
    Tester Connection
    		Specified Condition
    E9-1 - Body ground
    		Below 1 Ω
    E9-1 - IE26 (KSW)
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK

REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)