Power Door Lock Control System All Doors Lock/Unlock Functions Do Not Operate Via Master Switch, Driver Side Door Key Cylinder


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DOOR LOCK OPERATION

READ VALUE USING INTELLIGENT TESTER (KEY-LINKED SWITCH)

INSPECT FRONT DOOR LOCK ASSEMBLY (KEY-LINKED SWITCH)

CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY - MAIN BODY ECU AND BODY GROUND)

POWER DOOR LOCK CONTROL SYSTEM - All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch, Driver Side Door Key Cylinder


DESCRIPTION

The main body ECU (multiplex network body ECU) receives switch signals from the multiplex network master switch, and key-linked switch signals from the front door lock. The main body ECU (multiplex network body ECU) activates the door lock motor on each door according to these signals.

WIRING DIAGRAM


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Power Door Lock Control System All Doors Lock/Unlock Functions Do Not Operate Via Master Switch, Driver Side Door Key Cylinder


INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
HINT:
Since the power door lock control system has functions that use LIN communication, first confirm that there is no malfunction in the communication system by inspecting the LIN communication functions in accordance with the "How to Proceed with Troubleshooting" procedures. Then, conduct the following inspection procedure.
1.CHECK DOOR LOCK OPERATION

  1. Check the door lock operation.

    Result
    Result
    		Proceed to
    No doors can be locked using multiplex network master switch
    		A
    No doors can be locked using key-linked switch
    		B


B
Go to step 2
A

REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (LandCruiser RM000002STU0ARX.html)

2.READ VALUE USING INTELLIGENT TESTER (KEY-LINKED SWITCH)

  1. Use the Data List to check if the door key-linked switches is functioning properly (LandCruiser RM000000TNZ0D1X.html).

    Main Body
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Door Key SW-Lock
    		Driver side door key-linked switch lock signal / ON or OFF
    		ON: Driver side door key cylinder turned to lock position
    OFF: Driver side door key cylinder not turned to lock position
    		-
    D Door Key SW-UL
    		Driver side door key-linked switch unlock signal / ON or OFF
    		ON: Driver side door key cylinder turned to unlock position
    OFF: Driver side door key cylinder not turned to unlock position
    		-
    OK:
    On tester screen, each item changes between ON and OFF according to above chart.


NG
Go to step 3
OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (LandCruiser RM000003WBO05FX.html)

3.INSPECT FRONT DOOR LOCK ASSEMBLY (KEY-LINKED SWITCH)

  1. Remove the front door lock (LandCruiser RM0000039H002AX.html).



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


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Door Lock.Power Door Lock Control System.Power Door Lock Control System All Doors Lock/Unlock Functions Do Not Operate Via Master Switch, Driver Side Door Key Cylinder


    Text in Illustration
    *A
    		for LHD
    		*B
    		for RHD
    *a
    		Off
    		-
    		-
    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
    		Lock
    		Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
    		Unlock

    Standard Resistance:
    for LHD:
    Tester Connection
    		Condition
    		Specified Condition
    9 (L) - 7 (E)
    		Lock
    		Below 1 Ω
    9 (L) - 7 (E)
    		Off
    		10 kΩ or higher
    10 (UL) - 7 (E)
    		Unlock
    		Below 1 Ω
    10 (UL) - 7 (E)
    		Off
    		10 kΩ or higher
    for RHD:
    Tester Connection
    		Condition
    		Specified Condition
    6 (L) - 8 (E)
    		Lock
    		Below 1 Ω
    6 (L) - 8 (E)
    		Off
    		10 kΩ or higher
    5 (UL) - 8 (E)
    		Unlock
    		Below 1 Ω
    5 (UL) - 8 (E)
    		Off
    		10 kΩ or higher


NG
REPLACE FRONT DOOR LOCK ASSEMBLY (LandCruiser RM0000039H002AX.html)
OK


4.CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY - MAIN BODY ECU AND BODY GROUND)

  1. Disconnect the K6*1 and J6*2 door lock connectors.

    1. *1: for LHD
    2. *2: for RHD

  1. Remove the G46 main body ECU (LandCruiser RM000003WBO05FX.html).

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

    Standard Resistance:
    for LHD:
    Tester Connection
    		Condition
    		Specified Condition
    K6-10 (UL) - G64-24 (UL3)
    		Always
    		Below 1 Ω
    K6-9 (L) - G64-11 (L2)
    		Always
    		Below 1 Ω
    K6-7 (E) - Body ground
    		Always
    		Below 1 Ω
    K6-10 (UL) - Body ground
    		Always
    		10 kΩ or higher
    K6-9 (L) - Body ground
    		Always
    		10 kΩ or higher
    for RHD:
    Tester Connection
    		Condition
    		Specified Condition
    J6-5 (UL) - G64-24 (UL3)
    		Always
    		Below 1 Ω
    J6-6 (L) - G64-11 (L2)
    		Always
    		Below 1 Ω
    J6-8 (E) - Body ground
    		Always
    		Below 1 Ω
    J6-5 (UL) - Body ground
    		Always
    		10 kΩ or higher
    J6-6 (L) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (LandCruiser RM000003WBO05FX.html)