SMART ENTRY AND START SYSTEM, Diagnostic DTC:B2289

DTC Code DTC Name
B2289 Key Collation Waiting Time Over

DESCRIPTION

This DTC is output if there is a LIN communication problem between the main body ECU and certification ECU (smart key ECU assembly) or when there is a problem in the entry function.

Tech Tips

If the main body ECU is replaced with a new one while the negative (-) battery terminal is connected, the power source mode will be in IG-ON mode. When the battery is removed and reinstalled, the power source mode that was selected when the battery was removed is restored.

After the main body ECU is replaced, perform the registration procedure for the engine immobiliser system.

DTC No. DTC Detection Condition Trouble Area
B2289

Either condition below is met:


  • LIN communication is abnormal between the main body ECU and the certification ECU (smart key ECU assembly)

  • The engine immobiliser system is malfunctioning

  • Main body ECU (Instrument panel junction block)

  • Smart entry and start system (entry)

  • Wire harness or connector

  • Certification ECU (Smart key ECU assembly)

WIRING DIAGRAM

A017FPSE03

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTCS


    1. Delete the DTCs Click here.

    2. Check for DTC B2289 (Key collation waiting time over) and B2785 (Communication malfunction between ECUs connected by LIN).

      Result
      Result Proceed to
      Only "DTC B2289" is output A
      Only "DTC B2785" is output B
      No DTC is output C

      Tech Tips

      If DTC B2785 is output, perform troubleshooting for DTC B2785 first.


    B

    GO TO DTC B2785 Click here

    C

    USE SYMPTOM METHOD TO CHECK Click here

    A

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


    1. Disconnect the D36 and 1E ECU connectors.

      A017DAME01

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

      Standard resistance
      Tester Connection Condition Specified Condition
      1E-7 (LIN1) - D36-10 (LIN) Always Below 1 Ω
      1E-7 (LIN1) or D36-10 (LIN) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK MAIN BODY ECU OPERATION


    1. After replacing the main body ECU with a normally functioning ECU, check that the engine starts.

      OK
      Engine starts normally.

      Tech Tips

      If the engine does not start, refer to PROBLEM SYMPTOMS TABLE of the smart entry and start system (entry) (Room Oscillator does not Recognize Key).


    NG

    GO TO SMART ENTRY AND START SYSTEM (ENTRY) Click here

    OK

    END (MAIN BODY ECU DEFECTIVE)