FRONT POWER SEAT CONTROL SYSTEM (w/ Memory), 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

  • Slide motor (front seat frame with adjuster assembly LH)

  • Wire harness or connector

WIRING DIAGRAM

A01EIOGE13

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Driver Seat / Trouble Codes.

    5. Clear the DTC Click here.

    6. Recheck for DTC B2658.

      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 T11 position control ECU and switch assembly connector.

    2. Disconnect the T12 slide motor (front seat frame with adjuster assembly LH).

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      T11-3 (PVCC) - T12-5 (VCC) Always Below 1 Ω
      T11-2 (SSRS) - T12-2 (O/P) Always Below 1 Ω
      T11-1 (SGND) - T12-6 (GND) Always Below 1 Ω
      T11-3 (PVCC) - Body ground Always 10 kΩ or higher
      T11-2 (SSRS) - Body ground Always 10 kΩ or higher
      T11-1 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK POSITION CONTROL ECU AND SWITCH ASSEMBLY


    1. Reconnect the T11 position control ECU and switch assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      T11-1 (SGND) - T11-3 (PVCC) 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 LH Click here