Power Door Lock Control System All Doors Lock/Unlock Functions Do Not Operate Via Door Control Switch

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Door Lock. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE USING INTELLIGENT TESTER (DOOR LOCK AND UNLOCK SWITCH)

INSPECT FUSE (DOOR NO. 1, DOOR NO. 2)

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BATTERY AND BODY GROUND)

INSPECT DOOR CONTROL SWITCH ASSEMBLY (DOOR LOCK AND UNLOCK SWITCH)

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - DOOR CONTROL SWITCH AND BODY GROUND)

POWER DOOR LOCK CONTROL SYSTEM - All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch


DESCRIPTION

The main body ECU receives switch signals from the door control switch and activates the door lock motor on each door according to these signals.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Power Door Lock Control System All Doors Lock/Unlock Functions Do Not Operate Via Door Control Switch


INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
1.READ VALUE USING INTELLIGENT TESTER (DOOR LOCK AND UNLOCK SWITCH)

  1. Use the Data List to check if the door lock and unlock switches are functioning properly.

    Main Body ECU
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Door Lock SW-Lock
    		Door manual lock switch signal / ON or OFF
    		ON: Front passenger side door control switch on (lock)
    OFF: Front passenger side door control switch off
    		-
    Door Unlock SW-Unlock
    		Door manual unlock switch signal / ON or OFF
    		ON: Front passenger side door control switch on (unlock)
    OFF: Front passenger side door control switch off
    		-
    OK:
    On the intelligent tester screen, each item changes between ON and OFF according to above chart.


NG
Go to step 4
OK


2.INSPECT FUSE (DOOR NO. 1, DOOR NO. 2)

  1. Remove the DOOR NO. 1 fuse from the main body ECU (cowl side junction block LH).

  1. Remove the DOOR NO. 2 fuse from the engine room relay block.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    DOOR NO. 1 fuse
    		Always
    		Below 1 Ω
    DOOR NO. 2 fuse
    		Always
    		Below 1 Ω


NG
REPLACE FUSE
OK


3.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BATTERY AND BODY GROUND)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Power Door Lock Control System All Doors Lock/Unlock Functions Do Not Operate Via Door Control Switch

  1. Disconnect the 2A, 2B, and 2D ECU connectors.

  1. Measure the voltage according to the value(s) in the table below.

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    2A-1 (ALTB) - Body ground
    		Always
    		11 to 14 V
    2B-20 (BATB) - Body ground
    		Always
    		11 to 14 V

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    2D-62 (GND2) - Body ground
    		Always
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)

4.INSPECT DOOR CONTROL SWITCH ASSEMBLY (DOOR LOCK AND UNLOCK SWITCH)
Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Power Door Lock Control System All Doors Lock/Unlock Functions Do Not Operate Via Door Control Switch

  1. Remove the door control switch (Click here).

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Switch Condition
    		Specified Condition
    2 (UL) - 3 (E)
    		Unlock
    		Below 1 Ω
    2 (UL) - 3 (E)
    4 (L) - 3 (E)
    		Off
    		10 kΩ or higher
    4 (L) - 3 (E)
    		Lock
    		Below 1 Ω


NG
REPLACE DOOR CONTROL SWITCH ASSEMBLY (Click here)
OK


5.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - DOOR CONTROL SWITCH AND BODY GROUND)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Power Door Lock Control System All Doors Lock/Unlock Functions Do Not Operate Via Door Control Switch

  1. Disconnect the 2D ECU connector.

  1. Disconnect the I33 switch connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    2D-52 (UL1) - I33-2 (UL)
    		Always
    		Below 1 Ω
    2D-49 (L1) - I33-4 (L)
    		Always
    		Below 1 Ω
    I33-3 (E) - Body ground
    		Always
    		Below 1 Ω
    I33-2 (UL) - Body ground
    		Always
    		10 kΩ or higher
    I33-4 (L) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)