ENTRY AND START SYSTEM, Diagnostic DTC:B2286

DTC Code DTC Name
B2286 Runnable Signal Malfunction

DESCRIPTION

The main body ECU and the ECM are connected by a cable and the CAN communication line. If the cable information and CAN information are inconsistent, this DTC is output.

DTC Code Detection Condition Trouble Area
B2286 Cable and CAN information between main body ECU and ECM are inconsistent

  • Main body ECU

  • SFI system

  • Harness or connector

WIRING DIAGRAM

A01GL82E01

INSPECTION PROCEDURE

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (ENGINE CONDITION)


    1. Use the Data List to check if the engine condition is functioning properly.

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Engine Condition Engine condition/RUN or STOP

      RUN: Engine running

      STOP: Engine stopped

      		 -
      OK
      When the engine is running, RUN is displayed on the tester.

    NG

    REPLACE MAIN BODY ECU

    OK

  2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - ECM)

    A01GM46E02

    1. Disconnect the L11 main body ECU connector.

    2. Disconnect the A14 ECM connector.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      L11-8 (TACH) - A14-15 (TACH) Always Below 1 Ω
      L11-8 (TACH) or A14-15 (TACH) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK MAIN BODY ECU (OPERATION)


    1. Temporarily replace the main body ECU with a new or normally functioning one.

    2. Check that the engine starts normally.

      OK
      Engine starts normally.

    NG

    GO TO SFI SYSTEM Click here

    OK

    END (MAIN BODY ECU IS FAULTY)