POWER WINDOW CONTROL SYSTEM Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH

DTC Code DTC Name
Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH

DESCRIPTION

  • If the auto up/down function does not operate, the cause may be one or more of the following:

  • The ECU in the door window regulator determines that the door window regulator has not been initialized.

  • The rear power window regulator switch LH has a malfunction.

  • The Hall IC in the door window regulator has a malfunction.

  • There is an open or short in the wiring between the rear power window regulator switch LH and the door window regulator.

WIRING DIAGRAM

B221726E03

PROCEDURE

  1. CHECK FOR DTC

    1. Check for DTCs (Click here).

      Table 1. Result

      Result

      Proceed to

      DTC is not output

      A

      DTC B2311 is output

      B

      DTC B2312 is output

      C

      DTC B2313 is output

      D

      LIN communication system DTCs are output

      E

    GO TO DTC B2311

    (Click here)

    GO TO DTC B2312

    (Click here)

    GO TO DTC B2313

    (Click here)

    GO TO LIN COMMUNICATION SYSTEM

    (Click here)

  2. CHECK MANUAL UP/DOWN FUNCTION (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH)

    1. Check that the manual up/down function using the rear power window regulator switch LH can operate the rear door power window LH (Click here).

      OK

      Manual up/down function operates.

    GO TO "Rear Power Window LH does not Operate with Rear Power Window Switch LH"

    (Click here)

  3. READ VALUE USING INTELLIGENT TESTER (REAR DOOR WINDOW REGULATOR ASSEMBLY LH)

    1. Use the Data List to check if the rear door window regulator is functioning properly (Click here).

      Table 2. RL-Door Motor

      Tester Display

      Measurement Item/Range

      Normal Condition

      Diagnostic Note

      RL Door P/W Auto SW

      Rear power window LH auto up/down signal / ON or OFF

      ON: Rear power window LH auto up/down switch operated

      OFF: Rear power window LH switch not operated

      -

      OK

      Display changes according to operation of rear power window switch LH.

    REPLACE REAR DOOR WINDOW REGULATOR ASSEMBLY LH

    (Click here)

  4. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH

    1. B215963E23

      Remove the rear power window regulator switch LH (Click here).

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

      Standard Resistance

      Tester Connection

      Switch Condition

      Specified Condition

      8 (AUTO) - 1 (GND)

      Auto up/down operation

      Below 1 Ω

      1 (GND) - Body ground

      Always

      Below 1 Ω

    REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH

    (Click here)

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

    1. B215965E21

      Disconnect the M1 switch connector.

    2. Disconnect the M3 regulator connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      M1-8 (AUTO) - M3-4 (AUTO)

      Always

      Below 1 Ω

      M1-8 (AUTO) or M3-4 (AUTO) - Body ground

      Always

      10 kΩ or higher
      Table 3. Text in Illustration

      *1

      Front view of wire harness connector

      (to Rear Power Window Regulator Switch LH)

      *2

      Front view of wire harness connector

      (to Rear Door Window Regulator LH)

    REPLACE REAR DOOR WINDOW REGULATOR ASSEMBLY LH

    (Click here)

    REPAIR OR REPLACE HARNESS OR CONNECTOR