Power Door Lock Control System (W/ Theft Deterrent System) All Doors Cannot Be Locked / Unlocked Simultaneously


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DOOR LOCK / UNLOCK OPERATION

INSPECT POWER WINDOW REGULATOR MASTER SWITCH (DOOR CONTROL SWITCH)

CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH - DRIVER SIDE JUNCTION BLOCK AND BODY GROUND)

INSPECT FRONT DOOR LOCK ASSEMBLY (FOR DRIVER SIDE)

CHECK SEAT BELT WARNING SYSTEM

CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK - DRIVER SIDE JUNCTION BLOCK AND BODY GROUND)

CONFIRM SYMPTOM

INSPECT DOOR LOCK ASSEMBLY (FOR PASSENGER SIDE, REAR LH/RH, BACK DOOR)

CHECK HARNESS AND CONNECTOR (DOOR LOCK - DRIVER SIDE JUNCTION BLOCK AND BODY GROUND)

INSPECT FRONT DOOR LOCK ASSEMBLY (FOR DRIVER SIDE)

CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK - DRIVER SIDE JUNCTION BLOCK)

CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK - THEFT WARNING ECU)

CHECK HARNESS AND CONNECTOR (DRIVER SIDE JUNCTION BLOCK - BATTERY AND BODY GROUND)

POWER DOOR LOCK CONTROL SYSTEM (w/ Theft Deterrent System) - All Doors cannot be Locked / Unlocked Simultaneously


DESCRIPTION

The driver side junction block assembly drives the door lock motors according to switch signals from the door control switch of the power window regulator master switch assembly and the driver side door key cylinder.
However, the driver side door key-linked lock/unlock function will not operate when the seat belt is fastened.

WIRING DIAGRAM


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Door Lock.Power Door Lock Control System (W/ Theft Deterrent System).Power Door Lock Control System (W/ Theft Deterrent System) All Doors Cannot Be Locked / Unlocked Simultaneously


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Door Lock.Power Door Lock Control System (W/ Theft Deterrent System).Power Door Lock Control System (W/ Theft Deterrent System) All Doors Cannot Be Locked / Unlocked Simultaneously


INSPECTION PROCEDURE

NOTICE:
  1. Inspect the fuses for circuits related to this system before performing the following inspection procedure.
  2. When replacing the theft warning ECU assembly or door control transmitter sub-assembly, refer to the registration procedures (Toyota Fortuner RM000000Z4Z008X.html).
1.CHECK DOOR LOCK / UNLOCK OPERATION

  1. Proceed to the next step according to the symptom listed in the table below.

    Symptom
    		Proceed to
    All doors cannot be locked/unlocked at once using door control switch on master switch (switch operation)
    		A
    All doors cannot be locked/unlocked at once using door key cylinder on driver side (key operation)
    		B
    Only one door cannot be locked/unlocked
    		C
    All symptoms listed above are present
    		D


B
Go to step 4

C
Go to step 7

D
Go to step 13
A


2.INSPECT POWER WINDOW REGULATOR MASTER SWITCH (DOOR CONTROL SWITCH)


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Door Lock.Power Door Lock Control System (W/ Theft Deterrent System).Power Door Lock Control System (W/ Theft Deterrent System) All Doors Cannot Be Locked / Unlocked Simultaneously

  1. Remove the power window regulator master switch assembly (Toyota Fortuner RM000004ROS005X_02_0003.html).

    Text in Illustration
    *A
    		for LHD
    		*B
    		for RHD
    *a
    		Lock
    		*b
    		Unlock

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

    Standard Resistance:
    w/o Jam Protection Function
    Tester Connection
    		Switch Condition
    		Specified Condition
    3 - 5
    		Lock
    		Below 1 Ω
    3 - 5, 3- 8
    		OFF
    		10 kΩ or higher
    3 - 8
    		Unlock
    		Below 1 Ω
    w/ Jam Protection Function
    Tester Connection
    		Switch Condition
    		Specified Condition
    1 - 5
    		Lock
    		Below 1 Ω
    1 - 5, 1- 8
    		OFF
    		10 kΩ or higher
    1 - 8
    		Unlock
    		Below 1 Ω


NG
REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (Toyota Fortuner RM000004ROS005X_02_0003.html)
OK


3.CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH - DRIVER SIDE JUNCTION BLOCK AND BODY GROUND)

  1. Disconnect the P6 power window regulator master switch assembly connector.

  1. Disconnect the 2A and 2D driver side junction block assembly connectors.

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

    Standard Resistance:
    w/o Jam Protection Function
    Tester Connection
    		Condition
    		Specified Condition
    P6-5 - 2A-4 (L1)
    		Always
    		Below 1 Ω
    P6-8 - 2D-4 (UL1)
    		Always
    		Below 1 Ω
    P6-3 - Body ground
    		Always
    		Below 1 Ω
    P6-5 or 2A-4 (L1) - Body ground
    		Always
    		10 kΩ or higher
    P6-8 or 2D-4 (UL1) - Body ground
    		Always
    		10 kΩ or higher
    w/ Jam Protection Function
    Tester Connection
    		Condition
    		Specified Condition
    P6-5 - 2A-4 (L1)
    		Always
    		Below 1 Ω
    P6-8 - 2D-4 (UL1)
    		Always
    		Below 1 Ω
    P6-1 - Body ground
    		Always
    		Below 1 Ω
    P6-5 or 2A-4 (L1) - Body ground
    		Always
    		10 kΩ or higher
    P6-8 or 2D-4 (UL1) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY

4.INSPECT FRONT DOOR LOCK ASSEMBLY (FOR DRIVER SIDE)


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Door Lock.Power Door Lock Control System (W/ Theft Deterrent System).Power Door Lock Control System (W/ Theft Deterrent System) All Doors Cannot Be Locked / Unlocked Simultaneously

  1. Remove the front door lock. For the front driver side, refer to the following procedures (Toyota Fortuner RM000004ROS005X.html).

    Text in Illustration
    *A
    		for LHD
    		*B
    		for RHD
    *a
    		Lock
    		*b
    		Off
    *c
    		Unlock
    		-
    		-

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

    Standard Resistance:
    for LHD
    Tester Connection
    		Door Lock Condition
    		Specified Condition
    7 - 9
    		Lock
    		Below 1 Ω
    7 - 9, 7 - 10
    		OFF
    		10 kΩ or higher
    7 - 10
    		Unlock
    		Below 1 Ω
    for RHD
    Tester Connection
    		Door Lock Condition
    		Specified Condition
    6 - 8
    		Lock
    		Below 1 Ω
    6 - 8, 5 - 8
    		OFF
    		10 kΩ or higher
    5 - 8
    		Unlock
    		Below 1 Ω


NG
REPLACE FRONT DOOR LOCK ASSEMBLY (FOR DRIVER SIDE) (Toyota Fortuner RM000004ROS005X.html)
OK


5.CHECK SEAT BELT WARNING SYSTEM

  1. Turn the ignition switch to ON.

  1. When the driver side seat belt is not fastened, check that the driver side seat belt warning light in the combination meter assembly blinks.

  1. When the driver side seat belt is fastened, check that the driver side seat belt warning light in the combination meter assembly turns off.

    OK:
    Driver side seat belt warning light blinks and turns off according to above operation.


NG
Go to FRONT SEAT INNER BELT ASSEMBLY (Toyota Fortuner RM00000120501KX.html)
OK


6.CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK - DRIVER SIDE JUNCTION BLOCK AND BODY GROUND)

  1. Disconnect the D8 front door lock assembly (for Driver Side) connector.

  1. Disconnect the 2A and 2D driver side junction block assembly connectors.

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

    Standard Resistance:
    for LHD
    Tester Connection
    		Condition
    		Specified Condition
    D8-10 - 2D-4 (UL1)
    		Always
    		Below 1 Ω
    D8-9 - 2A-4 (L1)
    		Always
    		Below 1 Ω
    D8-7 - Body ground
    		Driver seat belt is unfastened
    		Below 1 Ω
    D8-10 or 2D-4 (UL1) - Body ground
    		Always
    		10 kΩ or higher
    D8-9 or 2A-4 (L1) - Body ground
    		Always
    		10 kΩ or higher
    for RHD
    Tester Connection
    		Condition
    		Specified Condition
    D8-5 - 2D-4 (UL1)
    		Always
    		Below 1 Ω
    D8-6 - 2A-4 (L1)
    		Always
    		Below 1 Ω
    D8-8 - Body ground
    		Driver seat belt is unfastened
    		Below 1 Ω
    D8-5 or 2D-4 (UL1) - Body ground
    		Always
    		10 kΩ or higher
    D8-6 or 2A-4 (L1) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY

7.CONFIRM SYMPTOM

  1. Proceed to the next step according to the symptom listed in the table below.

    Symptom
    		Proceed to
    Passenger door, rear door LH, rear door RH or back door cannot be locked/unlocked
    		A
    Driver door cannot be locked/unlocked
    		B


B
Go to step 10
A


8.INSPECT DOOR LOCK ASSEMBLY (FOR PASSENGER SIDE, REAR LH/RH, BACK DOOR)


  1. Remove the front door lock assembly (for Front Passenger Side) (Toyota Fortuner RM000004ROS005X.html).


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Door Lock.Power Door Lock Control System (W/ Theft Deterrent System).Power Door Lock Control System (W/ Theft Deterrent System) All Doors Cannot Be Locked / Unlocked Simultaneously


    Text in Illustration
    *1
    		Front Door Lock Assembly (for Front Passenger Side) (for RHD)
    		*2
    		Front Door Lock Assembly (for Front Passenger Side) (for LHD)
    *3
    		Rear Door Lock Assembly LH
    		*4
    		Rear Door Lock Assembly RH
    *5
    		Back Door Lock Assembly
    		-
    		-
    *a
    		Lock
    		*b
    		Unlock

  1. Remove the rear door lock assembly LH/RH (Toyota Fortuner RM000004RWE00SX.html).

  1. Remove the back door assembly (Toyota Fortuner RM000004RY800BX.html).

  1. Front door lock assembly (for Front Passenger Side):

    1. Apply battery voltage to the door lock and check the operation of the door lock motor.

      OK:
      Measurement Condition
      		Specified Condition
      Battery positive (+) → Terminal 4
      Battery negative (-) → Terminal 1
      		Lock
      Battery positive (+) → Terminal 1
      Battery negative (-) → Terminal 4
      		Unlock

  1. Rear door lock assembly LH/RH:

    1. Apply battery voltage to the door lock and check the operation of the door lock motor.

      OK:
      Measurement Condition
      		Specified Condition
      Battery positive (+) → Terminal 4
      Battery negative (-) → Terminal 1
      		Lock
      Battery positive (+) → Terminal 1
      Battery negative (-) → Terminal 4
      		Unlock

  1. Back door lock assembly:

    1. Apply battery voltage to the door lock and check the operation of the door lock motor.

      OK:
      Measurement Condition
      		Specified Condition
      Battery positive (+) → Terminal 4
      Battery negative (-) → Terminal 3
      		Lock
      Battery positive (+) → Terminal 3
      Battery negative (-) → Terminal 4
      		Unlock
Result
Result
Proceed to
OK
A
NG (Front door lock assembly [for Front Passenger Side])
B
NG (Rear door lock assembly LH/RH)
C
NG (Back door lock assembly)
D


B
REPLACE FRONT DOOR LOCK ASSEMBLY (FOR FRONT PASSENGER SIDE) (Toyota Fortuner RM000004ROS005X.html)

C
REPLACE REAR DOOR LOCK ASSEMBLY LH/RH (Toyota Fortuner RM000004RWE00SX.html)

D
REPLACE BACK DOOR LOCK ASSEMBLY (Toyota Fortuner RM000004RY800BX.html)
A


9.CHECK HARNESS AND CONNECTOR (DOOR LOCK - DRIVER SIDE JUNCTION BLOCK AND BODY GROUND)

  1. Disconnect the D9 front door lock assembly (for Front Passenger Side) connector.

  1. Disconnect the D10 rear door lock assembly LH connector.

  1. Disconnect the D11 rear door lock assembly RH connector.

  1. Disconnect the B9 back door lock assembly connector.

  1. Disconnect the 2K or 2R driver side junction block assembly connector.

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

    Standard Resistance:
    for LHD
    Tester Connection
    		Condition
    		Specified Condition
    D9-4 - 2K-11 (ACT+)
    		Always
    		Below 1 Ω
    D9-1 - 2K-10 (ACT-)
    		Always
    		Below 1 Ω
    D10-4 - 2R-28 (ACT+)
    		Always
    		Below 1 Ω
    D10-1 - 2R-27 (ACT-)
    		Always
    		Below 1 Ω
    D11-4 - 2K-11 (ACT+)
    		Always
    		Below 1 Ω
    D11-1 - 2K-10 (ACT-)
    		Always
    		Below 1 Ω
    B9-4 - 2K-11 (ACT+)
    		Always
    		Below 1 Ω
    B9-3 - 2K-10 (ACT-)
    		Always
    		Below 1 Ω
    D9-4 or 2K-11 (ACT+) - Body ground
    		Always
    		10 kΩ or higher
    D9-1 or 2K-10 (ACT-) - Body ground
    		Always
    		10 kΩ or higher
    D10-4 or 2R-28 (ACT+) - Body ground
    		Always
    		10 kΩ or higher
    D10-1 or 2R-27 (ACT-) - Body ground
    		Always
    		10 kΩ or higher
    D11-4 or 2K-11 (ACT+) - Body ground
    		Always
    		10 kΩ or higher
    D11-1 or 2K-10 (ACT-) - Body ground
    		Always
    		10 kΩ or higher
    B9-4 or 2K-11 (ACT+) - Body ground
    		Always
    		10 kΩ or higher
    B9-3 or 2K-10 (ACT-) - Body ground
    		Always
    		10 kΩ or higher
    for RHD
    Tester Connection
    		Condition
    		Specified Condition
    D9-4 - 2K-11 (ACT+)
    		Always
    		Below 1 Ω
    D9-1 - 2K-10 (ACT-)
    		Always
    		Below 1 Ω
    D10-4 - 2K-11 (ACT+)
    		Always
    		Below 1 Ω
    D10-1 - 2K-10 (ACT-)
    		Always
    		Below 1 Ω
    D11-4 - 2R-28 (ACT+)
    		Always
    		Below 1 Ω
    D11-1 - 2R-27 (ACT-)
    		Always
    		Below 1 Ω
    B9-4 - 2K-11 (ACT+)
    		Always
    		Below 1 Ω
    B9-3 - 2K-10 (ACT-)
    		Always
    		Below 1 Ω
    D9-4 or 2K-11 (ACT+) - Body ground
    		Always
    		10 kΩ or higher
    D9-1 or 2K-10 (ACT-) - Body ground
    		Always
    		10 kΩ or higher
    D10-4 or 2K-11 (ACT+) - Body ground
    		Always
    		10 kΩ or higher
    D10-1 or 2K-10 (ACT-) - Body ground
    		Always
    		10 kΩ or higher
    D11-4 or 2R-28 (ACT+) - Body ground
    		Always
    		10 kΩ or higher
    D11-1 or 2R-27 (ACT-) - Body ground
    		Always
    		10 kΩ or higher
    B9-4 or 2K-11 (ACT+) - Body ground
    		Always
    		10 kΩ or higher
    B9-3 or 2K-10 (ACT-) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY

10.INSPECT FRONT DOOR LOCK ASSEMBLY (FOR DRIVER SIDE)

  1. Remove the front door lock assembly (for Driver Side). (Toyota Fortuner RM000004ROS005X.html).


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Door Lock.Power Door Lock Control System (W/ Theft Deterrent System).Power Door Lock Control System (W/ Theft Deterrent System) All Doors Cannot Be Locked / Unlocked Simultaneously


Text in Illustration
*A
for LHD
*B
for RHD
*a
Lock
*b
Unlock

  1. Apply battery voltage to the door lock and check the operation of the door lock motor.

    OK:
    Measurement Condition
    		Specified Condition
    Battery positive (+) → Terminal 4
    Battery negative (-) → Terminal 1
    		Lock
    Battery positive (+) → Terminal 1
    Battery negative (-) → Terminal 4
    		Unlock


NG
REPLACE FRONT DOOR LOCK ASSEMBLY (FOR DRIVER SIDE) (Toyota Fortuner RM000004ROS005X.html)
OK


11.CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK - DRIVER SIDE JUNCTION BLOCK)

  1. Disconnect the D8 front door lock assembly (for Driver Side) connector.

  1. Disconnect the 2R driver side junction block assembly connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    D8-4 - 2R-28 (ACT+)
    		Always
    		Below 1 Ω
    D8-4 or 2R-28 (ACT+) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


12.CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK - THEFT WARNING ECU)

  1. Disconnect the D8 front door lock assembly (for Driver Side) connector.

  1. Disconnect the T36 theft warning ECU assembly connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    D8-1 - T36-11 (DDUL)
    		Always
    		Below 1 Ω
    T36-1 (E) - Body ground
    		Always
    		Below 1 Ω
    D8-1 or T36-11 (DDUL) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE THEFT WARNING ECU ASSEMBLY

13.CHECK HARNESS AND CONNECTOR (DRIVER SIDE JUNCTION BLOCK - BATTERY AND BODY GROUND)
Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Door Lock.Power Door Lock Control System (W/ Theft Deterrent System).Power Door Lock Control System (W/ Theft Deterrent System) All Doors Cannot Be Locked / Unlocked Simultaneously

  1. Disconnect the 2D, 2H and 2L driver side junction block assembly connectors.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    2D-9 (GND) - Body ground
    		Always
    		Below 1 Ω
    2D-18 (GND) - Body ground
    		Always
    		Below 1 Ω

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    2L-12 (BECU) - Body ground
    		Always
    		11 to 14 V
    2H-4 (ALTB) - Body ground
    		Always
    		11 to 14 V
Text in Illustration
*a
Front view of wire harness connector
(to Driver Side Junction Block Assembly)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY