POWER INTEGRATION SYSTEM, Diagnostic DTC:B1000

DTC Code DTC Name
B1000 ECU Malfunction

DESCRIPTION

This DTC is output when the semiconductor power integration ECU detects a load malfunction.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1000 ECU Malfunction Malfunction detected with semiconductor power integration ECU output/input

  • No. 1 semiconductor power integration ECU

  • No. 2 semiconductor power integration ECU (w/ PTC Heater)

  • No. 3 semiconductor power integration ECU

WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note


  • When using the GTS with the engine switch off to troubleshoot:

    Connect the GTS to the vehicle, and turn a courtesy switch on and off at 1.5 second intervals until communication between the GTS and vehicle begins.

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

  • Before performing troubleshooting, check whether there are any malfunctions with the lighting system.

    Click here

  • Before performing troubleshooting, check whether there are any malfunctions with the air conditioning system.

    Click here

  • w/o Vacuum Brake Booster:

    Before performing troubleshooting, check whether there are any malfunctions with the electronically controlled brake system.

    Click here

  • w/ Vacuum Brake Booster:

    Before performing troubleshooting, check whether there are any malfunctions with the electronically controlled brake system.

    Click here

  • Before performing troubleshooting, check whether there are any malfunctions with the window defogger system.

    Click here

  • Before performing troubleshooting, check whether there are any malfunctions with the electronic shift lever system.

    Click here

  • Before performing troubleshooting, check whether there are any malfunctions with the pre-collision system.

    Click here

  • Before performing troubleshooting, check whether there are any malfunctions with the dynamic radar cruise control system.

    Click here

PROCEDURE


  1. CLEAR DTC


    1. No. 1 semiconductor power integration ECU


      1. Clear the DTCs.

        Click here


        Body Electrical > Power Integration No.1 > Clear DTCs

    2. No. 2 semiconductor power integration ECU (w/ PTC Heater)


      1. Clear the DTCs.

        Click here


        Body Electrical > Power Integration No.2 > Clear DTCs

    3. No. 3 semiconductor power integration ECU


      1. Clear the DTCs.

        Click here


        Body Electrical > Power Integration No.3 > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  2. CHECK FOR DTC


    1. No. 1 semiconductor power integration ECU


      1. Check for DTCs.

        Click here


        Body Electrical > Power Integration No.1 > Trouble Codes

    2. No. 2 semiconductor power integration ECU (w/ PTC Heater)


      1. Check for DTCs.

        Click here


        Body Electrical > Power Integration No.2 > Trouble Codes

    3. No. 3 semiconductor power integration ECU


      1. Check for DTCs.

        Click here


        Body Electrical > Power Integration No.3 > Trouble Codes
      Result
      Result Proceed to
      DTC B1000 is not output A
      DTC B1000 is output (for No. 1 semiconductor power integration ECU) B
      DTC B1000 is output (for No. 2 semiconductor power integration ECU [w/ PTC Heater]) C
      DTC B1000 is output (for No. 3 semiconductor power integration ECU) D

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE NO. 1 SEMICONDUCTOR POWER INTEGRATION ECU Click here

    C

    REPLACE NO. 2 SEMICONDUCTOR POWER INTEGRATION ECU Click here

    D

    REPLACE NO. 3 SEMICONDUCTOR POWER INTEGRATION ECU Click here