POWER WINDOW CONTROL SYSTEM > Driver Side Power Window does not Operate with Power Window Master 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 door ECU, multiplex network master switch, power window regulator motor or wire harness.

WIRING DIAGRAM


B108120E06


B108816E04


B108120E07


B108814E04


INSPECTION PROCEDURE

1.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 master switch assembly: 
    Item
    		Test Details
    		Diagnostic Note
    Power Window
    		UP/OFF (OFF)
    		-
    Power Window
    		DOWN/OFF (OFF)
    		-

    OK:
    Driver side power window operates normally.

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



NG
Go to step 2
OK

REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 

2.READ VALUE OF INTELLIGENT TESTER (MASTER SWITCH)

  1. Check the Data List for proper functioning of the power window master switch.

    Multiplex network master switch assembly: 
    Item
    		Measurement Item/ Display (Range)
    		Normal Condition
    		Diagnostic Note
    Door P/W Up SW
    		Driver side power window
    UP switch signal/ ON or OFF
    		ON: Driver side power window UP switch operates
    OFF: Driver side power window UP switch does not operate
    		-
    Door P/W Down SW
    		Driver side power window
    DOWN switch signal/ ON or OFF
    		ON: Driver side power window DOWN switch operates
    OFF: Driver side power window DOWN switch does not operate
    		-

    OK:
    ON (switch operates) appears on screen.



NG
REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
OK


3.INSPECT FUSE (FR DOOR LH, LH-IG, AM2, D/C CUT, MPX-B)

  1. Remove the FR DOOR LH, LH-IG fuses from the cowl side junction block LH.

  1. Remove the AM1 fuse 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 (MASTER SWITCH ASSEMBLY - MOTOR ASSEMBLY (DRIVER SIDE))
B108106E09

  1. Disconnect the S5*1 or R9*2 switch connector.

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

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

    Standard resistance:
    RHD:
    Tester Connection
    		Specified Condition
    S5-1 (DUP) - O5-2 (U)
    		Below 1 Ω
    S5-11 (DDN) - O5-1 (D)
    		Below 1 Ω
    S5-1 (DUP) or O5-2 (U) - Body ground
    		10 kΩ or higher
    S5-11 (DDN) or O5-1 (D) - Body ground
    		10 kΩ or higher
    LHD:
    Tester Connection
    		Specified Condition
    R9-1 (DUP) - O5-2 (U)
    		Below 1 Ω
    R9-11 (DDN) - O5-1 (D)
    		Below 1 Ω
    R9-1 (DUP) or O5-2 (U) - Body ground
    		10 kΩ or higher
    R9-11 (DDN) or O5-1 (D) - Body ground
    		10 kΩ or higher



NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


5.CHECK WIRE HARNESS (MASTER SWITCH ASSEMBLY - DRIVER DOOR ECU AND BATTERY)
B113299E03

  1. Disconnect the S5*1 or R9*2 switch connector.

  1. Disconnect the O3*1 or N4*2 ECU connector.

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

    Standard voltage:
    LHD:
    Tester Connection
    		Specified Condition
    S5-9 (CPUB) - Body ground
    		10 to 14 V
    RHD:
    Tester Connection
    		Specified Condition
    R9-9 (CPUB) - Body ground
    		10 to 14 V


    Standard resistance:
    LHD:
    Tester Connection
    		Specified Condition
    S5-10 (BDR1) - O3-5 (BDRJ)
    		Below 1 Ω
    S5-20 (SIG) - O3-10 (SIGJ)
    		Below 1 Ω
    S5-2 (E) - O3-2 (PWE)
    		Below 1 Ω
    S5-10 (BDR1) or O3-5 (BDRJ) - Body ground
    		10 kΩ or higher
    S5-20 (SIG) or O3-10 (SIGJ) - Body ground
    		10 kΩ or higher
    S5-2 (E) or O3-2 (PWE) - Body ground
    		10 kΩ or higher
    RHD:
    Tester Connection
    		Specified Condition
    R9-10 (BDR1) - N4-5 (BDRJ)
    		Below 1 Ω
    R9-20 (SIG) - N4-10 (SIGJ)
    		Below 1 Ω
    R9-2 (E) - N4-2 (PWE)
    		Below 1 Ω
    R9-10 (BDR1) or N4-5 (BDRJ) - Body ground
    		10 kΩ or higher
    R9-20 (SIG) or N4-10 (SIGJ) - Body ground
    		10 kΩ or higher
    R9-2 (E) or N4-2 (PWE) - Body ground
    		10 kΩ or higher



NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


6.CHECK WIRE HARNESS (DRIVER DOOR ECU - BATTERY AND BODY GROUND)
B113300E01

  1. Disconnect the O3*1 or N4*2 ECU connector.

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

    Standard voltage:
    LHD:
    Tester Connection
    		Condition
    		Specified Condition
    O3-4 (CPUB) - Body ground
    		Always
    		10 to 14 V
    O3-6 (BDR) - Body ground
    		Always
    		10 to 14 V
    O3-3 (SIG) - Body ground
    		Engine switch on (IG)
    		10 to 14 V
    RHD:
    Tester Connection
    		Condition
    		Specified Condition
    N4-4 (CPUB) - Body ground
    		Always
    		10 to 14 V
    N4-6 (BDR) - Body ground
    		Always
    		10 to 14 V
    N4-3 (SIG) - Body ground
    		Engine switch on (IG)
    		10 to 14 V


    Standard resistance:
    LHD:
    Tester Connection
    		Condition
    		Specified Condition
    O3-1 (GND) - Body ground
    		Always
    		Below 1 Ω
    RHD:
    Tester Connection
    		Condition
    		Specified Condition
    N4-1 (GND) - Body ground
    		Always
    		Below 1 Ω



NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


7.CHECK WIRE HARNESS (DRIVER DOOR ECU (SEL1 - SELE))
B113301E05

  1. Disconnect the N4 ECU connector.

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

    Standard resistance:
    LHD:
    Tester Connection
    		Specified Condition
    N3-11 (SEL1) - N3-12 (SELE)
    		Below 1 Ω
    N3-11 (SEL1) or N3-12 (SELE) - Body ground
    		10 kΩ or higher
    RHD:
    Tester Connection
    		Specified Condition
    Q4-11 (SEL1) - Q4-12 (SELE)
    		Below 1 Ω
    Q4-11 (SEL1) or Q4-12 (SELE) - Body ground
    		10 kΩ or higher



NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


8.INSPECT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER SIDE)
B108823E06

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



NG
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER SIDE)
OK


9.CHECK OPERATION OF MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

  1. Temporarily replace the multiplex network master switch assembly 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 (DRIVER DOOR ECU)
OK

END (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY IS FAULTY)