ENTRY AND START SYSTEM (for Start Function), Diagnostic DTC:B2286

DTC Code DTC Name
B2286 Runnable Signal Malfunction

DESCRIPTION

This DTC is stored when a malfunction is detected in the READY signal circuit inside the power management control ECU.

DTC No. DTC Detection Condition Trouble Area
B2286 READY signal error inside the power management control ECU.

  • AM2 fuse

  • Power management control ECU

  • Wire harness or connector

WIRING DIAGRAM

A01NEPOE01

INSPECTION PROCEDURE

Note


  • When the power management control ECU is replaced with a new one and the cable from the negative (-) auxiliary battery terminal is connected, the power source mode becomes on (IG) mode. When the auxiliary battery is removed and reinstalled, the power source mode that was selected when the auxiliary battery was removed is restored.

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

Tech Tips

Check the connector connection to the terminal to make sure that there is no abnormality such as a loose connection, deformation, etc.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (AUXILIARY BATTERY - POWER MANAGEMENT CONTROL ECU)


    1. A01NHLTE03
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Power Management Control ECU)
      *2

      Front view of wire harness connector

      (to Power Management Control ECU)

      Disconnect the F97 and F98 connectors from the power management control ECU.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      F97-1 (AM22) - Body ground Always 9.5 to 16 V
      F98-7 (AM21) - Body ground Always 9.5 to 16 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR (AUXILIARY BATTERY - POWER MANAGEMENT CONTROL ECU)

    OK

  2. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND)


    1. A01NHLTE04
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Power Management Control ECU)
      *2

      Front view of wire harness connector

      (to Power Management Control ECU)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F97-5 (E01) - Body ground Always Below 1 Ω
      F97-6 (E1) - Body ground Always Below 1 Ω
      F98-4 (E12) - Body ground Always Below 1 Ω
      F98-5 (E02) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND)

    OK

  3. CHECK FOR DTC


    1. Clear the DTC Click here.

    2. Turn the power switch on (IG).

    3. After 25 seconds have elapsed, check if the DTC has been set again.

      Result
      Result Proceed to
      DTC B2286 is not output A
      DTC B2286 is output (for LHD) B
      DTC B2286 is output (for RHD) C

    B

    REPLACE POWER MANAGEMENT CONTROL ECU (for LHD) Click here

    C

    REPLACE POWER MANAGEMENT CONTROL ECU (for RHD) Click here

    A

    USE SIMULATION METHOD TO CHECK Click here