Power Door Lock Control System Collision Door Lock Release Function Does Not Operate

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

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DOOR LOCK OPERATION

CHECK DOOR CONTROL BATTERY

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

REPLACE DOOR CONTROL BATTERY

CHECK DOOR CONTROL BATTERY

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

POWER DOOR LOCK CONTROL SYSTEM - Collision Door Lock Release Function does not Operate


DESCRIPTION

When an impact is detected, a relay inside the main body ECU is operated to switch the power source of the door lock with motor assemblies from the vehicle battery to the door control battery.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Power Door Lock Control System Collision Door Lock Release Function Does Not Operate


INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
1.CHECK DOOR LOCK OPERATION

  1. Check door lock operation (Click here).

    OK:
    All doors lock and unlock normally.


NG
GO TO PROBLEM SYMPTOMS TABLE (Click here)
OK


2.CHECK DOOR CONTROL BATTERY


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Power Door Lock Control System Collision Door Lock Release Function Does Not Operate

  1. Disconnect the door control battery connector.

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

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    E168-8 (IG) - Body ground
    		Ignition switch ON
    		11 to 14 V
    Text in Illustration
    *a
    		Front view of wire harness connector
    (to Door Control Battery)


NG
Go to step 6
OK


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

  1. Disconnect the 2J main body ECU connector.

  1. Disconnect the E168 door control battery connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    E117-3 (ACTG) - E168-9 (ACTG)
    		Always
    		Below 1 Ω
    E117-3 (ACTG) or E168-9 (ACTG) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


4.REPLACE DOOR CONTROL BATTERY

  1. Replace the door control battery with new or known good one (Click here).


NEXT


5.CHECK DOOR CONTROL BATTERY

  1. Check door control battery operation (Click here).

    OK:
    Collision detection door lock function operates normally.


NG
REPLACE MAIN BODY ECU
OK

END (DOOR CONTROL BATTERY WAS DEFECTIVE)

6.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - DOOR CONTROL BATTERY)

  1. Disconnect the 2J main body ECU connector.

  1. Disconnect the E168 door control battery connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    2J-12 - E168-8 (IG)
    		Always
    		Below 1 Ω
    2J-12 or E168-8 (IG)) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU