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HOMESERVICE MANUALSLEXUS2010LS 460L AWDREPAIR AND DIAGNOSISELECTRICALSTARTERSMART ACCESS SYSTEM (KEYLESS START) (DIAGNOSTIC CODES & SYMPTOM TESTS)SMART ACCESS SYSTEM WITH PUSH-BUTTON STARTDTC B2289: KEY COLLATION WAITING TIME OVERPROCEDURE
2010 Lexus LS 460L AWD

DTC B2289: Key Collation Waiting Time Over: Procedure

2010 Lexus LS 460L AWDSECTION Procedure
  1. CHECK DTC 
    1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
    2. Check for DTCs again.

      OK

      DTC is not output.

    OK → END (SYSTEM OK) 

    NG: Go to next step 

  2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - CERTIFICATION ECU) 
    Fig 1: Identifying Connector Terminals Of DA Main Body And L15 Certification ECU
    GTY288222Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the DA main body ECU connector.
    2. Disconnect the L15 certification ECU connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection Condition Specified Condition
      DA-52 (LIN1) - L15-10 (LIN) Always Below 1 Ω
      DA-52 (LIN1) or L15-10 (LIN) - Body ground Always 10 kΩ or higher

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  3. CHECK MAIN BODY ECU (OPERATION) 
    1. Temporarily replace the main body ECU with a new or normally functioning one.
    2. Check for DTCs again.

      OK

      DTC is not output.

    OK → See step   4 

    NG → END (MAIN BODY ECU IS FAULTY) 

  4. GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (ROOM OSCILLATOR DOES NOT RECOGNIZE KEY). Refer to  Room Oscillator does not Recognize Key 
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.