REAR POWER SEAT CONTROL SYSTEM(for Second Row) 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 fold seat control ECU operates the reclining motor according to the received signal.

WIRING DIAGRAM

PROCEDURE

1. INSPECT REAR POWER SEAT SWITCH

   
   

   1. Remove the rear power seat switch.

      Click here

   2. Inspect the rear power seat switch.

      Click here

      Result
      Result OK NG

   
   

   NG

   REPLACE REAR POWER SEAT SWITCH Click here

   OK

2. CHECK HARNESS AND CONNECTOR (REAR POWER SEAT SWITCH - FOLD SEAT CONTROL ECU AND BODY GROUND)

   
   

   1. Disconnect the x6*1 or y5*2 rear power seat switch connector.

      
      

      • *1: for Rear RH Seat

      • *2: for Rear LH Seat

   2. Disconnect the x3*1 or y3*2 fold seat control ECU connector.

      
      

      • *1: for Rear RH Seat

      • *2: for Rear LH Seat

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

      Standard Resistance
      for Rear RH Seat Tester Connection Condition Specified Condition x6-3 (FLDR) - x3-12 (RCLF) Always Below 1 Ω x6-3 (FLDR) or x3-12 (RCLF) - Body ground Always 10 kΩ or higher x6-2 (RTNR) - x3-7 (RCLR) Always Below 1 Ω x6-2 (RTNR) or x3-7 (RCLR) - Body ground Always 10 kΩ or higher x6-7 (E) - Body ground Always Below 1 Ω
      for Rear LH Seat Tester Connection Condition Specified Condition y5-2 (FLDL) - y3-12 (RCLF) Always Below 1 Ω y5-2 (FLDL) or y3-12 (RCLF) - Body ground Always 10 kΩ or higher y5-3 (RTNL) - y3-7 (RCLR) Always Below 1 Ω y5-3 (RTNL) or y3-7 (RCLR) - Body ground Always 10 kΩ or higher y5-7 (E) - Body ground Always Below 1 Ω

      Result
      Result OK NG

   
   

   OK

   GO TO PROBLEM SYMPTOMS TABLE Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR