REAR POWER SEAT CONTROL SYSTEM Rear Door Courtesy Switch Circuit

DESCRIPTION

The fold seat control ECU receives the switch operation signal, driving condition signal and rear door open/close signal. Then the fold seat control ECU actives the rear seat according to these signals.

WIRING DIAGRAM

A01H7WTE02

PROCEDURE


  1. INSPECT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY


    1. Remove the rear door courtesy light switch assembly.

      Click here

    2. Inspect the rear door courtesy light switch assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (FOLD SEAT CONTROL ECU - REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY)


    1. Rear Right Seat:


      1. Disconnect the h3 fold seat control ECU (rear right seat) connector.

      2. Disconnect the P6 rear door courtesy light switch assembly RH connector.

    2. Rear Left Seat:


      1. Disconnect the i3 fold seat control ECU (rear left seat) connector.

      2. Disconnect the Q6 rear door courtesy light switch assembly LH connector.

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

      Standard Resistance
      Rear Right Seat
      Tester Connection Condition Specified Condition
      h3-18 (R CL) - P6-1 Always Below 1 Ω
      h3-18 (R CL) or P6-1 - Body ground Always 10 kΩ or higher
      Rear Left Seat
      Tester Connection Condition Specified Condition
      i3-18 (R CL) - Q6-1 Always Below 1 Ω
      i3-18 (R CL) or Q6-1 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR