REAR POWER SEAT CONTROL SYSTEM Power Source Circuit

DTC Code DTC Name
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

B239511E02

CAUTION / NOTICE / HINT

Tip:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

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

    B242089C01

    *A

    for LH Side

    *B

    for RH Side

    *a

    Front view of wire harness connector (to Fold Seat Control ECU)

    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

      Engine switch off

      Below 1 V

      Engine switch on (IG)

      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

      Engine switch off

      Below 1 V

      Engine switch on (IG)

      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

    Result

    Result

    OK

    NG
    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR