ENTRY AND START SYSTEM, Diagnostic DTC:B2286

DTC Code DTC Name
B2286 Runnable Signal Malfunction

DESCRIPTION

The main body ECU and the hybrid vehicle control ECU 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 hybrid vehicle control ECU are inconsistent

  • Main body ECU

  • Hybrid vehicle control ECU

  • Harness or connector

WIRING DIAGRAM

A01H0MEE02

INSPECTION PROCEDURE

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (READY SIGNAL)


    1. Use the Data List to check if the hybrid control system start request signal is functioning properly.

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Ready Signal Hybrid control system start request signal monitor/ON or OFF

      ON: System (READY) is ON

      OFF: System (READY) is OFF

      		 Power switch pressed and held with shift lever in P
      Result
      Result Proceed to
      Display on tester does not change according to power switch condition A
      Display on tester changes according to power switch condition B

    B

    REPLACE MAIN BODY ECU

    A

  2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - HYBRID VEHICLE CONTROL ECU)

    A01H24BE02

    1. Disconnect the L11 main body ECU connector.

    2. Disconnect the A78 hybrid vehicle control ECU connector.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      L11-8 (RDY) - A78-29 (RDY) Always Below 1 Ω
      L11-8 (RDY) or A78-29 (RDY) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. REPLACE MAIN BODY ECU


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

    2. Check whether DTC B2286 recurs.

      OK
      No DTC is output.

    NG

    REPLACE HYBRID VEHICLE CONTROL ECU Click here

    OK

    END (MAIN BODY ECU IS FAULTY)