REAR POWER SEAT CONTROL SYSTEM Power Source Circuit

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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

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INSPECTION PROCEDURE

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PROCEDURE

1. Click here

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

   
   
   1. 

      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
      Table 1. 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
      Table 2. 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
      Table 3. 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
      Table 4. 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

      Table 5. Text in Illustration

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

   
   
   • OKClick here
   • NGClick here
2. Click here

   PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

3. Click here

   REPAIR OR REPLACE HARNESS OR CONNECTOR