POWER WINDOW CONTROL SYSTEM > Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch

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DESCRIPTION

  1. If the manual UP/DOWN function does not operate, there may be a malfunction in the front multiplex network switch, front multiplex network door ECU, power window regulator motor or wire harness.

WIRING DIAGRAM


B108122E06


B108123E03


B108122E07


B108815E07


INSPECTION PROCEDURE

1.CHECK REMOTE UP/DOWN FUNCTION
  1. Check that the front passenger side power window manual UP/DOWN function on the multiplex network master switch operates normally.

    OK:
    Remote UP/DOWN function operates normally.



NG
Go to step 2
OK

REPLACE MULTIPLEX NETWORK SWITCH ASSEMBLY 

2.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (POWER WINDOW UP/DOWN)
  1. Select the Active Test, use the intelligent tester to generate a control command, and then check the power window.

    Multiplex network switch assembly: 
    Item
    Test Details
    Diagnostic Note
    Power Window
    UP/OFF (OFF)
    -
    Power Window
    DOWN/OFF (OFF)
    -

    OK:
    Front passenger side power window operates normally.

    CAUTION:
    Be careful to avoid injuries as this test causes parts to move.



NG
Go to step 3
OK

REPLACE FRONT MULTIPLEX NETWORK DOOR ECU (PASSENGER DOOR ECU) 

3.INSPECT FUSE (FR DOOR RH, RH-IG, AM2, D/C CUT, MPX-B)
  1. Remove the FR DOOR RH, RH-IG and AM2 fuses from the cowl side junction block RH.

  1. Remove the MPX-B and D/C CUT fuses from the engine room No. 1 relay block.

  1. Measure the resistance of the fuses.

    Standard:
    Below 1 Ω



NG
REPLACE FUSE
OK


4.CHECK WIRE HARNESS (SWITCH ASSEMBLY (FRONT PASSENGER SIDE) - FRONT MOTOR ASSEMBLY (FRONT PASSENGER SIDE))
B108108E21
  1. Disconnect the R6*1 or S9*2 switch connector.

  1. Disconnect the N5*1 or O5*2 motor connector.

  1. Measure the resistance of the wire harness side connectors.

    Standard resistance:
    LHD:
    Tester Connection
    Specified Condition
    R6-6 (U) - N5-2 (U)
    Below 1 Ω
    R6-1 (D) - N5-1 (D)
    Below 1 Ω
    R6-6 (U) or N5-2 (U) - Body ground
    10 kΩ or higher
    R6-1 (D) or N5-1 (D) - Body ground
    10 kΩ or higher
    RHD:
    Tester Connection
    Specified Condition
    S9-6 (U) - O5-2 (U)
    Below 1 Ω
    S9-1 (D) - O5-1 (D)
    Below 1 Ω
    S9-6 (U) or O5-2 (U) - Body ground
    10 kΩ or higher
    S9-1 (D) or O5-1 (D) - Body ground
    10 kΩ or higher



NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


5.CHECK WIRE HARNESS (SWITCH ASSEMBLY (FRONT PASSENGER SIDE) - FRONT PASSENGER DOOR ECU)
B108112E15
  1. Disconnect the R9*1 or S9*2 switch connector.

  1. Disconnect the M4*1 or O3*2 ECU connector.

  1. Measure the resistance of the wire harness side connectors.

    Standard resistance:
    LHD:
    Tester Connection
    Specified Condition
    R9-7 (+B) - M4-5 (BDRJ)
    Below 1 Ω
    R9-12 (E) - M4-2 (PWE)
    Below 1 Ω
    R9-7 (+B) or M4-5 (BDRJ) - Body ground
    10 kΩ or higher
    R9-12 (E) or M4-2 (PWE) - Body ground
    10 kΩ or higher
    RHD:
    Tester Connection
    Specified Condition
    S9-7 (+B) - O3-5 (BDRJ)
    Below 1 Ω
    S9-12 (E) - O3-2 (PWE)
    Below 1 Ω
    S9-7 (+B) or O3-5 (BDRJ) - Body ground
    10 kΩ or higher
    S9-12 (E) or O3-2 (PWE) - Body ground
    10 kΩ or higher



NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


6.CHECK WIRE HARNESS (FRONT PASSENGER DOOR ECU - BATTERY AND BODY GROUND)
B113302E02
  1. Disconnect the M4*1 or O3Z*2 ECU connector.

  1. Measure the voltage and resistance of the wire harness side connector.

    Standard voltage:
    LHD:
    Tester Connection
    Condition
    Specified Condition
    M4-4 (CPUB) - Body ground
    Always
    10 to 14 V
    M4-6 (BDR) - Body ground
    Always
    10 to 14 V
    M4-3 (SIG) - Body ground
    Engine switch on (IG)
    10 to 14 V
    RHD:
    Tester Connection
    Specified Condition
    O3-4 (CPUB) - Body ground
    10 to 14 V
    O3-6 (BDR) - Body ground
    10 to 14 V
    O3-3 (SIG) - Body ground
    10 to 14 V


    Standard resistance:
    LHD:
    Tester Connection
    Specified Condition
    M4-1 (GND) - Body ground
    Below 1 Ω
    LHD:
    Tester Connection
    Specified Condition
    O3-1 (GND) - Body ground
    Below 1 Ω



NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


7.INSPECT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY (FRONT PASSENGER SIDE)
B108823E04
  1. Remove the motor.

  1. Apply battery voltage to connector terminals 1 and 2.

    NOTICE:
    Do not apply battery voltage to any terminals except terminals 1 and 2.

  1. Check that the motor gear rotates smoothly as follows.

    OK:
    LHD:
    Measurement Condition
    Specified Condition
    Battery positive (+) → 1
    Battery negative (-) → 2
    Motor gear rotates clockwise
    Battery positive (+) → 2
    Battery negative (-) → 1
    Motor gear rotates counterclockwise
    RHD:
    Measurement Condition
    Specified Condition
    Battery positive (+) → 2
    Battery negative (-) → 1
    Motor gear rotates clockwise
    Battery positive (+) → 1
    Battery negative (-) → 2
    Motor gear rotates counterclockwise



NG
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY (FRONT PASSENGER SIDE)
OK


8.CHECK OPERATION OF MULTIPLEX NETWORK SWITCH ASSEMBLY (PASSENGER SIDE)
  1. Temporarily replace the multiplex network switch assembly (front passenger side) with a new or normally functioning one.

  1. Check that the power window operates normally.

    OK:
    Power window operates normally.



NG
REPLACE FRONT MULTIPLEX NETWORK DOOR ECU (FRONT PASSENGER DOOR ECU)
OK

END (MULTIPLEX NETWORK SWITCH ASSEMBLY (FRONT PASSENGER SIDE) IS FAULTY)