Dtc B2311 Power Window Motor Malfunction


DESCRIPTION

INSPECTION PROCEDURE

CHECK FOR DTC

CHECK FOR DTC

CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH - BATTERY AND BODY GROUND)

PERFORM ACTIVE TEST USING GTS

PERFORM INITIALIZATION

CHECK POWER WINDOW CONTROL SYSTEM

CHECK WHETHER PARTS HAVE BEEN INSTALLED CORRECTLY

CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH - BATTERY AND BODY GROUND)

PERFORM ACTIVE TEST USING GTS

PERFORM INITIALIZATION

CHECK POWER WINDOW CONTROL SYSTEM

CHECK WHETHER PARTS HAVE BEEN INSTALLED CORRECTLY

CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH - BATTERY AND BODY GROUND)

PERFORM ACTIVE TEST USING GTS (RL-DOOR MOTOR)

PERFORM INITIALIZATION

CHECK POWER WINDOW CONTROL SYSTEM

CHECK WHETHER PARTS HAVE BEEN INSTALLED CORRECTLY

CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH - BATTERY AND BODY GROUND)

PERFORM ACTIVE TEST USING GTS (RR-DOOR MOTOR)

PERFORM INITIALIZATION

CHECK POWER WINDOW CONTROL SYSTEM

CHECK WHETHER PARTS HAVE BEEN INSTALLED CORRECTLY

DTC B2311 Power Window Motor Malfunction


DESCRIPTION

The power window regulator motor assemblies are operated by the multiplex network master switch assembly, power window regulator switch assembly or rear power window regulator switch assemblies.
The power window regulator motor assemblies have motor, regulator and ECU functions.
This DTC is output when a power window regulator motor assembly is malfunctioning, or the ECU built into the power window regulator motor assembly determines that the fully closed window position has deviated approximately 20 mm (0.787 in.) or more from the normal position.

D-Door Motor
DTC Code
DTC Detection Condition
Trouble Area
B2311
  1. Either condition is met:
    1. Front power window regulator motor assembly LH (for LHD) or front power window regulator motor assembly RH (for RHD) is malfunctioning
    2. When ECU in front power window regulator motor assembly LH (for LHD) or front power window regulator motor assembly RH (for RHD) determines that fully closed window position has deviated approximately 20 mm (0.787 in.) or more from normal position
  1. Front power window regulator motor assembly RH (for RHD)
  2. Front power window regulator motor assembly LH (for LHD)
  3. Incorrect installation of power window components
  4. Overheated front power window regulator motor assembly LH (for LHD)
  5. Overheated front power window regulator motor assembly RH (for RHD)
  6. Harness or connector

P-Door Motor
DTC Code
DTC Detection Condition
Trouble Area
B2311
  1. Either condition is met:
    1. Front power window regulator motor assembly RH (for LHD) or front power window regulator motor assembly LH (for RHD) is malfunctioning
    2. When ECU in front power window regulator motor assembly RH (for LHD) or front power window regulator motor assembly LH (for RHD) determines that fully closed window position has deviated approximately 20 mm (0.787 in.) or more from normal position
  1. Front power window regulator motor assembly RH (for LHD)
  2. Front power window regulator motor assembly LH (for RHD)
  3. Incorrect installation of power window components
  4. Overheated front power window regulator motor assembly RH (for LHD)
  5. Overheated front power window regulator motor assembly LH (for RHD)
  6. Harness or connector

RL-Door Motor (for 5 Door)
DTC Code
DTC Detection Condition
Trouble Area
B2311
  1. Either condition is met:
    1. Rear power window regulator motor assembly LH is malfunctioning
    2. When ECU in rear power window regulator motor assembly LH determines that fully closed window position has deviated approximately 20 mm (0.787 in.) or more from normal position
  1. Rear power window regulator motor assembly LH
  2. Incorrect installation of power window components
  3. Overheated rear power window regulator motor assembly LH
  4. Harness or connector

RR-Door Motor (for 5 Door)
DTC Code
DTC Detection Condition
Trouble Area
B2311
  1. Either condition is met:
    1. Rear power window regulator motor assembly RH is malfunctioning
    2. When ECU in rear power window regulator motor assembly RH determines that fully closed window position has deviated approximately 20 mm (0.787 in.) or more from normal position
  1. Rear power window regulator motor assembly RH
  2. Incorrect installation of power window components
  3. Overheated rear power window regulator motor assembly RH
  4. Harness or connector

INSPECTION PROCEDURE

NOTICE:
  1. DTC B2311 is stored in each power window regulator motor assembly.
  2. If a power window regulator motor assembly has been replaced with a new one, initialize the power window control system (LandCruiser RM0000011V20BLX.html).
  3. If a power window regulator motor assembly and door window regulator sub-assembly have been removed and installed, or if a power window regulator motor assembly was reused when a door glass or door glass run was replaced, initialize the power window control system (LandCruiser RM0000011V20BLX.html).
  4. The power window control system uses the LIN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly (LandCruiser RM000001RSO0BWX.html).
1.CHECK FOR DTC

  1. Clear the DTCs (LandCruiser RM000000YCC0CHX.html).

  1. Check for DTCs (LandCruiser RM000000YCC0CHX.html).

    OK:
    DTC B2311 is not output.


NG
Go to step 2
OK

USE SIMULATION METHOD TO CHECK (LandCruiser RM000003YMJ00XX.html)

2.CHECK FOR DTC

  1. Check the parts which the DTCs have been output from.

    Result
    Result
    		Proceed to
    DTC output from D-Door Motor (for LHD)
    		A
    DTC output from D-Door Motor (for RHD)
    		B
    DTC output from P-Door Motor (for LHD)
    		B
    DTC output from P-Door Motor (for RHD)
    		A
    DTC output from RL-Door Motor (for 5 Door)
    		C
    DTC output from RR-Door Motor (for 5 Door)
    		D


B
Go to step 8

C
Go to step 13

D
Go to step 18
A


3.CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH - BATTERY AND BODY GROUND)


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Window Glass.Power Window Control System. Dtc B2311 Power Window Motor Malfunction

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    K7-1 (GND) - Body ground
    		Always
    		Below 1 Ω

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    K7-2 (B) - Body ground
    		Always
    		11 to 14 V
Text in Illustration
*a
Component with harness connected
(Front Power Window Regulator Motor Assembly LH)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


4.PERFORM ACTIVE TEST USING GTS

  1. Perform the Active Test according to the display on the GTS (LandCruiser RM0000027QL04NX.html).

    CAUTION:
    Be careful to avoid injuries as this test causes vehicle parts to move. During the Active Test, the jam protection function does not operate.
    HINT:
    Up and down movement does not occur if the arrow is not pressed and held.

    D-Door Motor (for LHD)
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Power Window
    		Power window
    		OFF/UP/DOWN
    		-

    P-Door Motor (for RHD)
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Power Window
    		Power window
    		OFF/UP/DOWN
    		-
    OK:
    Power window regulator motor operates.


NG
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (LandCruiser RM0000011QF0H4X.html)
OK


5.PERFORM INITIALIZATION

  1. Initialize the power window regulator motor assembly (LandCruiser RM0000011V20BLX.html).

    HINT:
    Initialize the power window regulator motor assembly that has DTC B2311 stored in its ECU.

NEXT


6.CHECK POWER WINDOW CONTROL SYSTEM

  1. Check that the power window operates normally by opening and closing the window (LandCruiser RM0000016810FQX.html).

    HINT:
    Check the power window operation of the window for which DTC B2311 has been stored.
    OK:
    Power window operates normally.


NG
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (LandCruiser RM0000011QF0H4X.html)
OK


7.CHECK WHETHER PARTS HAVE BEEN INSTALLED CORRECTLY

  1. Check that the power window components are installed correctly.

    OK:
    Power window components are installed correctly.


NG
INSTALL PARTS CORRECTLY
OK

END (OVERHEATED FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH WAS DEFECTIVE)

8.CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH - BATTERY AND BODY GROUND)


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Window Glass.Power Window Control System. Dtc B2311 Power Window Motor Malfunction

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    J7-1 (GND) - Body ground
    		Always
    		Below 1 Ω

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    J7-2 (B) - Body ground
    		Always
    		11 to 14 V
Text in Illustration
*a
Component with harness connected
(Front Power Window Regulator Motor Assembly RH)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


9.PERFORM ACTIVE TEST USING GTS

  1. Perform the Active Test according to the display on the GTS (LandCruiser RM0000027QL04NX.html).

    CAUTION:
    Be careful to avoid injuries as this test causes vehicle parts to move. During the Active Test, the jam protection function does not operate.
    HINT:
    Up and down movement does not occur if the arrow is not pressed and held.

    D-Door Motor (for RHD)
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Power Window
    		Power window
    		OFF/UP/DOWN
    		-

    P-Door Motor (for LHD)
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Power Window
    		Power window
    		OFF/UP/DOWN
    		-
    OK:
    Power window regulator motor operates.


NG
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (LandCruiser RM0000011QF0H4X.html)
OK


10.PERFORM INITIALIZATION

  1. Initialize the power window regulator motor assembly (LandCruiser RM0000011V20BLX.html).

    HINT:
    Initialize the power window regulator motor assembly that has DTC B2311 stored in its ECU.

NEXT


11.CHECK POWER WINDOW CONTROL SYSTEM

  1. Check that the power window operates normally by opening and closing the window (LandCruiser RM0000016810FQX.html).

    HINT:
    Check the power window operation of the window for which DTC B2311 has been stored.
    OK:
    Power window operates normally.


NG
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (LandCruiser RM0000011QF0H4X.html)
OK


12.CHECK WHETHER PARTS HAVE BEEN INSTALLED CORRECTLY

  1. Check that the power window components are installed correctly.

    OK:
    Power window components are installed correctly.


NG
INSTALL PARTS CORRECTLY
OK

END (OVERHEATED FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH WAS DEFECTIVE)

13.CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH - BATTERY AND BODY GROUND)


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Window Glass.Power Window Control System. Dtc B2311 Power Window Motor Malfunction

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    M4-1 (GND) - Body ground
    		Always
    		Below 1 Ω

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    M4-2 (B) - Body ground
    		Always
    		11 to 14 V
Text in Illustration
*a
Component with harness connected
(Rear Power Window Regulator Motor Assembly LH)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


14.PERFORM ACTIVE TEST USING GTS (RL-DOOR MOTOR)

  1. Perform the Active Test according to the display on the GTS (LandCruiser RM0000027QL04NX.html).

    CAUTION:
    Be careful to avoid injuries as this test causes vehicle parts to move. During the Active Test, the jam protection function does not operate.
    HINT:
    Up and down movement does not occur if the arrow is not pressed and held.

    RL-Door Motor
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Power Window
    		Power window
    		OFF/UP/DOWN
    		-
    OK:
    Power window regulator motor operates.


NG
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (LandCruiser RM0000011RX0CAX.html)
OK


15.PERFORM INITIALIZATION

  1. Initialize the power window regulator motor assembly (LandCruiser RM0000011V20BLX.html).

    HINT:
    Initialize the power window regulator motor assembly that has DTC B2311 stored in its ECU.

NEXT


16.CHECK POWER WINDOW CONTROL SYSTEM

  1. Check that the power window operates normally by opening and closing the window (LandCruiser RM0000016810FQX.html).

    HINT:
    Check the power window operation of the window for which DTC B2311 has been stored.
    OK:
    Power window operates normally.


NG
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (LandCruiser RM0000011RX0CAX.html)
OK


17.CHECK WHETHER PARTS HAVE BEEN INSTALLED CORRECTLY

  1. Check that the power window components are installed correctly.

    OK:
    Power window components are installed correctly.


NG
INSTALL PARTS CORRECTLY
OK

END (OVERHEATED REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH WAS DEFECTIVE)

18.CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH - BATTERY AND BODY GROUND)


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Window Glass.Power Window Control System. Dtc B2311 Power Window Motor Malfunction

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    L4-1 (GND) - Body ground
    		Always
    		Below 1 Ω

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    L4-2 (B) - Body ground
    		Always
    		11 to 14 V
Text in Illustration
*a
Component with harness connected
(Rear Power Window Regulator Motor Assembly RH)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


19.PERFORM ACTIVE TEST USING GTS (RR-DOOR MOTOR)

  1. Perform the Active Test according to the display on the GTS (LandCruiser RM0000027QL04NX.html).

    CAUTION:
    Be careful to avoid injuries as this test causes vehicle parts to move. During the Active Test, the jam protection function does not operate.
    HINT:
    Up and down movement does not occur if the arrow is not pressed and held.

    RR-Door Motor
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Power Window
    		Power window
    		OFF/UP/DOWN
    		-
    OK:
    Power window regulator motor operates.


NG
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (LandCruiser RM0000011RX0CAX.html)
OK


20.PERFORM INITIALIZATION

  1. Initialize the power window regulator motor assembly (LandCruiser RM0000011V20BLX.html).

    HINT:
    Initialize the power window regulator motor assembly that has DTC B2311 stored in its ECU.

NEXT


21.CHECK POWER WINDOW CONTROL SYSTEM

  1. Check that the power window operates normally by opening and closing the window (LandCruiser RM0000016810FQX.html).

    HINT:
    Check the power window operation of the window for which DTC B2311 has been stored.
    OK:
    Power window operates normally.


NG
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (LandCruiser RM0000011RX0CAX.html)
OK


22.CHECK WHETHER PARTS HAVE BEEN INSTALLED CORRECTLY

  1. Check that the power window components are installed correctly.

    OK:
    Power window components are installed correctly.


NG
INSTALL PARTS CORRECTLY
OK

END (OVERHEATED REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH WAS DEFECTIVE)