REAR POWER SEAT CONTROL SYSTEM Power Source Circuit

DESCRIPTION

Power is supplied to the fold seat control ECU through the ECU-B, FOLD SEAT LH*1, FOLD SEAT RH*2 and ECU-IG NO. 2 fuses.

• *1: for LH Side

• *2: for RH Side

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (FOLD SEAT CONTROL ECU - BATTERY AND BODY GROUND)

   
   
   1. 

      Text in Illustration

      *A	for LHD
      *B	for RHD
      *a	Front view of wire harness connector (to Fold Seat Control ECU)

      for LH Side:

      Disconnect the d1 and d2 ECU connectors.

   2. for RH Side:

      Disconnect the c1 and c2 ECU connectors.

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

      Standard Voltage
      for LH Side Tester Connection Condition Specified Condition d2-2 (+B) - Body ground Always 11 to 14 V d1-1 (ECUB) - Body ground Always 11 to 14 V d1-3 (IG) - Body ground Ignition switch off Below 1 V Ignition switch ON 11 to 14 V
      for RH Side Tester Connection Condition Specified Condition c2-2 (+B) - Body ground Always 11 to 14 V c1-1 (ECUB) - Body ground Always 11 to 14 V c1-3 (IG) - Body ground Ignition switch off Below 1 V Ignition switch ON 11 to 14 V

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

      Standard Resistance
      for LH Side Tester Connection Condition Specified Condition d2-10 (GND) - Body ground Always Below 1 Ω d2-9 (GND2) - Body ground Always Below 1 Ω
      for RH Side Tester Connection Condition Specified Condition c2-10 (GND) - Body ground Always Below 1 Ω c2-9 (GND2) - Body ground Always Below 1 Ω

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

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