FRONT POWER SEAT CONTROL SYSTEM (for Driver Side), Diagnostic DTC:B2658

DTC Code DTC Name
B2658 Short in Sensor with Motor Power Supply Circuit

DESCRIPTION

This DTC is stored if sensor voltage does not reach the designated voltage while the slide motor is operating.

DTC Code DTC Detection Condition Trouble Area
B2658 Malfunction in supply voltage for the seat slide control position sensor

  • Position control ECU and switch assembly

  • Front seat frame with adjuster assembly

  • Harness or connector

WIRING DIAGRAM

A01CEI8E07
A01CEI8E08

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTC


    1. Connect the intelligent tester to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the intelligent tester on.

    4. Enter the following menus: Body / D-Seat / Trouble Codes.

    5. Clear the DTCs Click here.

    6. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC B2658 is output A
      DTC B2658 is not output B

    B

    USE SIMULATION METHOD TO CHECK Click here

    A

  2. CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU AND SWITCH ASSEMBLY - SLIDE MOTOR)


    1. Disconnect the V16*1 or W17*2 connector from the position control ECU and switch assembly.


      • *1: for RHD

      • *2: for LHD

    2. Disconnect the V14*1, W15*2 connector from the slide motor.

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


      • *1: for RHD

      • *2: for LHD

      Standard Resistance
      for RHD
      Tester Connection Condition Specified Condition
      V16-3 (PVCC) - V14-5 (VCC) Always Below 1 Ω
      V16-2 (SSRS) - V14-2 (O/P) Always Below 1 Ω
      V16-1 (SGND) - V14-6 (GND) Always Below 1 Ω
      V16-3 (PVCC) - Body ground Always 10 kΩ or higher
      V16-2 (SSRS) - Body ground Always 10 kΩ or higher
      V16-1 (SGND) - Body ground Always 10 kΩ or higher
      for LHD
      Tester Connection Condition Specified Condition
      W17-3 (PVCC) - W15-5 (VCC) Always Below 1 Ω
      W17-2 (SSRS) - W15-2 (O/P) Always Below 1 Ω
      W17-1 (SGND) - W15-6 (GND) Always Below 1 Ω
      W17-3 (PVCC) - Body ground Always 10 kΩ or higher
      W17-2 (SSRS) - Body ground Always 10 kΩ or higher
      W17-1 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK FRONT SEAT FRAME WITH ADJUSTER ASSEMBLY (SEAT SLIDE POSITION SENSOR)


    1. Reconnect the V16*1 or W17*2 connector to the position control ECU and switch assembly.


      • *1: for RHD

      • *2: for LHD

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

      Standard Voltage
      for RHD
      Tester Connection Switch Condition Specified Condition
      V14-5 (VCC) - V14-6 (GND) Slide switch on 5.5 to 6.5 V
      for LHD
      Tester Connection Switch Condition Specified Condition
      W15-5 (VCC) - W15-6 (GND) Slide switch on 5.5 to 6.5 V

    NG

    REPLACE POSITION CONTROL ECU AND SWITCH ASSEMBLY Click here

    OK

    REPLACE FRONT SEAT FRAME WITH ADJUSTER ASSEMBLY Click here