LIN COMMUNICATION SYSTEM, Diagnostic DTC:B2287

DTC Code DTC Name
B2287 LIN Communication Master Malfunction

DESCRIPTION

This DTC is output when there is an open, short or ECU communication malfunction between the power source control ECU and the certification ECU (smart key ECU assembly).

DTC No. DTC Detection Condition Trouble Area
B2287 There is an open, short or ECU communication malfunction between the power source control ECU and the certification ECU (smart key ECU assembly).

  • Power source control ECU

  • Certification ECU (smart key ECU assembly)

  • Wire harness or connector

WIRING DIAGRAM

A0161MPE03

INSPECTION PROCEDURE

Note


  • If the certification ECU (smart key ECU assembly) is replaced, register the key.

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTC Click here.

    2. Recheck for DTC.

      OK
      B2287 is not output.

    NG

    CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - POWER SOURCE CONTROL ECU) Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here

  2. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - POWER SOURCE CONTROL ECU)


    1. A0161V1E01

      Disconnect the P33 and J55 connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P33-10 (LIN) - J55-30 (LIN1) Always Below 1 Ω
      P33-10 (LIN) - Body ground Always 10 kΩ or higher
      Standard Voltage
      Tester Connection Condition Specified Condition
      P33-10 (LIN) - Body ground Always Below 1 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. REPLACE POWER SOURCE CONTROL ECU


    1. Replace the power source control ECU.


    NEXT

  4. CHECK FOR DTC


    1. Clear the DTC Click here.

    2. Recheck for DTC.

      OK
      B2287 is not output.

    NG

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    OK

    END (POWER SOURCE CONTROL ECU IS DEFECTIVE)