REAR POWER SEAT CONTROL SYSTEM Rear Power Seat Switch Circuit

DESCRIPTION

When the rear power seat switch is operated, a recline signal is sent to the fold seat control ECU. The ECU activates the power seat motor based on the signal from the rear power seat switch.

WIRING DIAGRAM

A01DTZLE01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOLD SEAT CONTROL ECU


    1. A01DQ2VE04
      Text in Illustration
      *A for LH Side
      *B for RH Side
      *a

      Component with harness connected

      (Fold Seat Control ECU)

      Remove the fold seat control ECU with its connectors still connected Click here.

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

      Standard Voltage
      for LH side
      Tester Connection Condition Specified Condition
      d1-12 (RCLF) - Body ground Always 11 to 14 V
      Rear power seat switch LH forward Below 1 V
      d1-13 (RCLR) - Body ground Always 11 to 14 V
      Rear power seat switch LH backward Below 1 V
      RH side
      Tester Connection Condition Specified Condition
      c1-12 (RCLF) - Body ground Always 11 to 14 V
      Rear power seat switch RH forward Below 1 V
      c1-13 (RCLR) - Body ground Always 11 to 14 V
      Rear power seat switch RH backward Below 1 V

    NG

    INSPECT REAR POWER SEAT SWITCH Click here

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

  2. INSPECT REAR POWER SEAT SWITCH


    1. A01DUQ4E01

      Remove the rear power seat switch Click here.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      4 (FWD) - 6 (E) Always 10 kΩ or higher
      Rear power seat switch forward Below 1 Ω
      5 (BACK) - 6 (E) Always 10 kΩ or higher
      Rear power seat switch backward Below 1 Ω

    NG

    REPLACE REAR POWER SEAT SWITCH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (FOLD SEAT CONTROL ECU - REAR POWER SEAT SWITCH)


    • *1: for LH Side

    • *2: for RH Side


    1. Disconnect the d1*1 or c1*2 ECU connector.

    2. Disconnect the R11*1 or Q10*2 switch connector.

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

      Standard Resistance
      for LH Side
      Tester Connection Condition Specified Condition
      d1-12 (RCLF) - R11-4 (FWD) Always Below 1 Ω
      d1-12 (RCLF) - Body ground Always 10 kΩ or higher
      d1-13 (RCLR) - R11-5 (BACK) Always Below 1 Ω
      d1-13 (RCLR) - Body ground Always 10 kΩ or higher
      for RH Side
      Tester Connection Condition Specified Condition
      c1-12 (RCLF) - Q10-4 (FWD) Always Below 1 Ω
      c1-12 (RCLF) - Body ground Always 10 kΩ or higher
      c1-13 (RCLR) - Q10-5 (BACK) Always Below 1 Ω
      c1-13 (RCLR) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE FOLD SEAT CONTROL ECU Click here