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

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 HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH - MAIN BODY ECU AND BODY GROUND)

INSPECT COWL SIDE JUNCTION BLOCK LH

CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (OPERATION)

READ VALUE USING GTS (Door Lock Switch Status, Door Unlock Switch Status)

REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

CHECK DOOR LOCK OPERATION

READ VALUE USING GTS (DOOR KEY LINKED LOCK AND UNLOCK SWITCH)

INSPECT FRONT DOOR LOCK ASSEMBLY (DOOR KEY LINKED LOCK AND UNLOCK SWITCH)

CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK - 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 receives switch signals from the multiplex network master switch, and driver side door key cylinder switch signals from the front door lock. The main body ECU 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 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
Result
Result
Proceed to
All doors cannot be locked through multiplex network master switch (for Models with Jam Protection Function on Driver Door Window Only)
A
All doors cannot be locked through multiplex network master switch (for Models with Jam Protection Function on 4 Windows)
B
All doors cannot be locked through driver side door key cylinder
C


B
Go to step 5

C
Go to step 8
A


2.CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH - MAIN BODY ECU AND BODY GROUND)

  1. for LHD:

    1. Disconnect the I31 master switch connector.

    2. Disconnect the 2J main body ECU connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      I31-9 (UL) - 2J-21
      		Always
      		Below 1 Ω
      I31-2 (L) - 2J-26
      		Always
      		Below 1 Ω
      I31-1 (E) - Body ground
      		Always
      		Below 1 Ω
      I31-9 (UL) - Body ground
      		Always
      		10 kΩ or higher
      I31-2 (L) - Body ground
      		Always
      		10 kΩ or higher

  1. for RHD:

    1. Disconnect the I26 master switch connector.

    2. Disconnect the 2J main body ECU connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      I26-8 (UL) - 2J-21
      		Always
      		Below 1 Ω
      I26-2 (L) - 2J-26)
      		Always
      		Below 1 Ω
      I26-9 (E) - Body ground
      		Always
      		Below 1 Ω
      I26-8 (UL) - Body ground
      		Always
      		10 kΩ or higher
      I26-2 (L) - Body ground
      		Always
      		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.INSPECT COWL SIDE JUNCTION BLOCK LH

  1. Remove the cowl side junction block LH.

    1. for LHD: Click here
    2. for RHD: Click here

  1. Remove the main body ECU from the cowl side junction block LH.



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


    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 Master Switch, Driver Side Door Key Cylinder


Text in Illustration
*a
Component without harness connected
(Cowl Side Junction Block LH)
-
-
Standard Resistance:
Tester Connection
Condition
Specified Condition
2J-26 - A-20 (L1)
Always
Below 1 Ω
2J-21 - A-22 (UL1)
Always
Below 1 Ω
Result
Result
Proceed to
OK
A
NG (for LHD)
B
NG (for RHD)
C


B
REPLACE COWL SIDE JUNCTION BLOCK LH (for LHD) (Click here)

C
REPLACE COWL SIDE JUNCTION BLOCK LH (for RHD) (Click here)
A


4.CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (OPERATION)

  1. Replace the multiplex network master switch with a normally functioning one (Click here).

  1. Check that all doors can be locked and unlocked by using the multiplex network master switch.

OK:
All doors can be locked and unlocked with multiplex network master switch.
Result
Result
Proceed to
OK
A
NG (for LHD)
B
NG (for RHD)
C


B
REPLACE COWL SIDE JUNCTION BLOCK LH (for LHD) (Click here)

C
REPLACE COWL SIDE JUNCTION BLOCK LH (for RHD) (Click here)
A

END (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY IS DEFECTIVE)

5.READ VALUE USING GTS (Door Lock Switch Status, Door Unlock Switch Status)

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

    Main Body ECU
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Door Lock Switch Status
    		Multiplex network master switch assembly lock signal / ON or OFF
    		OFF: Lock side of multiplex network master switch assembly not pushed
    ON: Lock side of multiplex network master switch assembly pushed
    		-
    Door Unlock Switch Status
    		Multiplex network master switch assembly unlock signal / ON or OFF
    		OFF: Unlock side of multiplex network master switch assembly not pushed
    ON: Unlock side of multiplex network master switch assembly pushed
    		-
    OK:
    On the GTS screen, ON or OFF is displayed for each item according to the table above.
Result
Result
Proceed to
OK (for LHD)
A
OK (for RHD)
B
NG
C


B
REPLACE COWL SIDE JUNCTION BLOCK LH (for RHD) (Click here)

C
Go to step 6
A

REPLACE COWL SIDE JUNCTION BLOCK LH (for LHD) (Click here)

6.REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

  1. Replace the multiplex network master switch assembly (Click here).


NEXT


7.CHECK DOOR LOCK OPERATION

  1. Check that all doors can be locked and unlocked by the multiplex network master switch assembly (Click here).

OK:
All doors can be locked and unlocked by the multiplex network master switch assembly.
Result
Result
Proceed to
OK
A
NG (for LHD)
B
NG (for RHD)
C


B
REPLACE COWL SIDE JUNCTION BLOCK LH (for LHD) (Click here)

C
REPLACE COWL SIDE JUNCTION BLOCK LH (for RHD) (Click here)
A

END (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY IS DEFECTIVE)

8.READ VALUE USING GTS (DOOR KEY LINKED LOCK AND UNLOCK SWITCH)

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

    Main Body ECU
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Door Key Linked Lock SW
    		Door key linked lock switch signal / ON or OFF
    		ON: Driver side door key cylinder turned to lock position
    OFF: Driver side door key cylinder not turned
    		-
    Door Key Linked Unlock SW
    		Door key linked unlock switch signal / ON or OFF
    		ON: Driver side door key cylinder turned to unlock position
    OFF: Driver side door key cylinder not turned
    		-
    OK:
    On tester screen, each item changes between ON and OFF according to above chart.
Result
Result
Proceed to
OK (for LHD)
A
OK (for RHD))
B
NG
C


B
REPLACE COWL SIDE JUNCTION BLOCK LH (for RHD) (Click here)

C
Go to step 9
A

REPLACE COWL SIDE JUNCTION BLOCK LH (for LHD) (Click here)

9.INSPECT FRONT DOOR LOCK ASSEMBLY (DOOR KEY LINKED LOCK AND UNLOCK SWITCH)

  1. for LHD (w/o Double Locking Function):

    1. Remove the front door lock LH (Click here).

    2. Inspect the front door lock LH (Click here).

  1. for LHD (w/ Double Locking Function):

    1. Remove the front door lock LH (Click here).

    2. Inspect the front door lock LH (Click here).

  1. for RHD (w/o Double Locking Function):

    1. Remove the front door lock RH (Click here).

    2. Inspect the front door lock RH (Click here).

  1. for RHD (w/ Double Locking Function):

    1. Remove the front door lock LH (Click here).

    2. Inspect the front door lock LH (Click here).



NG
REPLACE FRONT DOOR LOCK ASSEMBLY (Click here)
OK


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

  1. for LHD:

    1. Disconnect the I14 door lock connector.

    2. Disconnect the E118 main body ECU connectors.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      I14-10 (UL) - E118-2 (UL3)
      		Always
      		Below 1 Ω
      I14-9 (L) - E118-29 (L2)
      		Always
      		Below 1 Ω
      I14-7 (E) - Body ground
      		Always
      		Below 1 Ω
      I14-10 (UL) - Body ground
      		Always
      		10 kΩ or higher
      I14-9 (L) - Body ground
      		Always
      		10 kΩ or higher

  1. for RHD:

    1. Disconnect the I6 door lock connector.

    2. Disconnect the E118 main body ECU connectors.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      I6-5 (UL) - E118-2 (UL3)
      		Always
      		Below 1 Ω
      I6-6 (L) - E118-29 (L2)
      		Always
      		Below 1 Ω
      I6-8 (E) - Body ground
      		Always
      		Below 1 Ω
      I6-5 (UL) - Body ground
      		Always
      		10 kΩ or higher
      I6-6 (L) - Body ground
      		Always
      		10 kΩ or higher
Result
Result
Proceed to
OK (for LHD)
A
OK (for RHD))
B
NG
C


B
REPLACE COWL SIDE JUNCTION BLOCK LH (for RHD) (Click here)

C
REPAIR OR REPLACE HARNESS OR CONNECTOR
A

REPLACE COWL SIDE JUNCTION BLOCK LH (for LHD) (Click here)