POWER WINDOW CONTROL SYSTEM Rear Power Window LH does not Operate with Rear Power Window Switch LH

DTC Code DTC Name
Rear Power Window LH does not Operate with Rear Power Window Switch LH

DESCRIPTION

  • If the manual up/down function does not operate, there may be a malfunction in the rear power window regulator switch, rear power window regulator motor, harness or connector.

WIRING DIAGRAM

B242537E15

CAUTION / NOTICE / HINT

Note:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

Tip:

Since the power window 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.

PROCEDURE

  1. CHECK FOR DTC (B2312)

    1. Check if DTC B2312 is output

      Click here

      Body Electrical > Master Switch > Trouble Codes

      Body Electrical > D-Door Motor > Trouble Codes

      Body Electrical > P-Door Motor > Trouble Codes

      Body Electrical > RL-Door Motor > Trouble Codes

      Body Electrical > RR-Door Motor > Trouble Codes

      Body Electrical > Main Body > Trouble Codes

    OK

    DTC B2312 is not output.

    Result

    Result

    OK

    NG
    NG

    GO TO DTC B2312

    Click here

    Body Electrical > Master Switch > Trouble Codes

    Body Electrical > D-Door Motor > Trouble Codes

    Body Electrical > P-Door Motor > Trouble Codes

    Body Electrical > RL-Door Motor > Trouble Codes

    Body Electrical > RR-Door Motor > Trouble Codes

    Body Electrical > Main Body > Trouble Codes

    OK

  2. READ VALUE USING INTELLIGENT TESTER (REAR POWER WINDOW REGULATOR SWITCH LH)

    1. Use the Data List to check if the rear power window regulator is functioning properly

      Click here

      Body Electrical > RL-Door Motor > Data List

      Tester Display

      Measurement Item

      Range

      Normal Condition

      Diagnostic Note

      RL Door P/W Up SW

      Rear power window LH manual up signal

      ON or OFF

      ON: Rear power window LH manual up switch operated

      OFF: Rear power window LH switch not operated

      -

      RL Door P/W Down SW

      Rear power window LH manual down signal

      ON or OFF

      ON: Rear power window LH manual down switch operated

      OFF: Rear power window LH switch not operated

      -

    OK

    On tester screen, each item changes between ON and OFF according to above chart.

    Result

    Result

    OK

    NG
    NG

    INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LHClick here

    OK

  3. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (POWER WINDOW)

    1. Select the Active Test, use the intelligent tester to generate a control command, and then check that power window regulator motor operates

      Click here

      Body Electrical > RL-Door Motor > Active Test

      Tester Display

      Measurement Item

      Control Range

      Diagnostic Note

      Power Window

      Passenger side power window

      OFF/UP/DOWN

      -

    OK

    The power window regulator motor operates normally.

    Result

    Result

    OK

    NG
    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    Click hereClick here

    NG

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

    Click here

  4. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH

    B248541E10

    1. Remove the rear power window regulator switch

      Click here

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

    Standard Resistance

    Tester Connection

    Switch Condition

    Specified Condition

    2 (UP) - 5 (GND)

    Manual up operation

    Below 1 Ω

    10 (DOWN) - 5 (GND)

    Manual down operation

    Below 1 Ω

    2 (UP) - 5 (GND)

    Not operated

    10 kΩ or higher

    10 (DOWN) - 5 (GND)

    Not operated

    10 kΩ or higher

    Result

    Result

    OK

    NG
    NG

    REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH

    Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH - BODY GROUND)

    B248545C02

    *a

    Front view of wire harness connector(to Rear Power Window Regulator Switch Assembly LH)

    1. Disconnect the M2 rear power window regulator switch connector.

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

    Standard Resistance

    Tester Connection

    Condition

    Specified Condition

    M2-5 (GND) - Body ground

    Always

    Below 1 Ω

    Result

    Result

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)

    1. Disconnect the M2 rear power window regulator switch connector.

    2. Disconnect the M4 power window regulator motor connector.

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

    Standard Resistance

    Tester Connection

    Switch Condition

    Specified Condition

    M2-2 (UP) - M4-10 (UP)

    Always

    Below 1 Ω

    M2-10 (DOWN) - M4-7 (DOWN)

    Always

    Below 1 Ω

    M2-2 (UP) - Body ground

    Always

    10 kΩ or higher

    M2-10 (DOWN) - Body ground

    Always

    10 kΩ or higher

    Result

    Result

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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

    B243286C01

    *a

    Front view of wire harness connector(to Rear Power Window Regulator Motor Assembly LH)

    1. Disconnect the M4 power window regulator motor connector.

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

    3. Measure the resistance 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

    Standard Resistance

    Tester Connection

    Condition

    Specified Condition

    M4-1 (GND) - Body ground

    Always

    Below 1 Ω

    Result

    Result

    OK

    NG
    OK

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR