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POWER INTEGRATION SYSTEM, Diagnostic DTC:B1000

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DTC Code DTC Name
B1000 ECU Malfunction
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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
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WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note:

  • When using the GTS with the power 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.

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

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

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

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  • for L310


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

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  • for L310F


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

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  • for Mono Camera TYpe


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

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

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  • for Stereo Camera TYpe


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

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

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PROCEDURE


  1. Click here

    CLEAR DTC


    1. No. 1 semiconductor power integration ECU


      1. Clear the DTCs.

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        1. Body Electrical > Power Integration No.1 > Clear DTCs


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


      1. Clear the DTCs.

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        1. Body Electrical > Power Integration No.2 > Clear DTCs


    3. No. 3 semiconductor power integration ECU


      1. Clear the DTCs.

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        1. Body Electrical > Power Integration No.3 > Clear DTCs


      Result
      Proceed to
      NEXT

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    CHECK FOR DTC


    1. No. 1 semiconductor power integration ECU


      1. Check for DTCs.

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        1. Body Electrical > Power Integration No.1 > Trouble Codes


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


      1. Check for DTCs.

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        1. Body Electrical > Power Integration No.2 > Trouble Codes


    3. No. 3 semiconductor power integration ECU


      1. Check for DTCs.

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        1. 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 CHECKClick here

    • B

      REPLACE NO. 1 SEMICONDUCTOR POWER INTEGRATION ECUClick here

    • C

      REPLACE NO. 2 SEMICONDUCTOR POWER INTEGRATION ECUClick here

    • D

      REPLACE NO. 3 SEMICONDUCTOR POWER INTEGRATION ECUClick here