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HOMESERVICE MANUALSLEXUS2010LS 460L AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLELECTRONICALLY CONTROLLED BRAKE (DIAGNOSTIC CODES & CIRCUIT TESTS)ELECTRONICALLY CONTROLLED BRAKE SYSTEMDTC C1345/66: LINEAR SOLENOID VALVE OFFSET LEARNING UNDONE; DTC C1368/67: LINEAR SOLENOID VALVE OFFSET MALFUNCTIONPROCEDURE
2010 Lexus LS 460L AWD

DTC C1345/66: Linear Solenoid Valve Offset Learning Undone; DTC C1368/67: Linear Solenoid Valve Offset Malfunction: Procedure

2010 Lexus LS 460L AWDSECTION Procedure
  1. CHECK DTC 
    1. Clear the DTCs. Refer toDTC CHECK / CLEAR .
    2. Turn the engine switch off.
    3. Turn the engine switch on (IG).
    4. Check that the DTCs (electronically controlled brake system and SFI system) are recorded.
      RESULT

      Result Proceed to
      DTCs (except C1203/95, C1345/66, C1368/67, C1392/48, and SFI system malfunction) are not output A
      SFI system DTC is output B
      DTCs (except C1345/66 and C1368/67) are output C

    C → See step   5 

    B → See step   4 

    A: Go to next step 

  2. PERFORM INITIALIZATION OF LINEAR SOLENOID VALVE AND CALIBRATION 
    1. Perform initialization of the linear solenoid valve and calibration. Refer toINITIALIZATION .

    NEXT: Go to next step 

  3. RECONFIRM DTC 
    1. Clear the DTCs. Refer toDTC CHECK / CLEAR .
    2. Turn the engine switch on (IG).
    3. Check if the same DTCs are recorded. Refer toDTC CHECK / CLEAR .
      RESULT

      Result Proceed to
      DTCs (C1345/66 and C1368/67) are not output A
      DTCs (C1345/66 and C1368/67) are output B

    B → See step   6 

    A → END 

  4. GO TO SFI SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING 
  5. CHECK FOR CIRCUIT INDICATED BY OUTPUT CODE. Refer to DIAGNOSTIC TROUBLE CODE CHART 
  6. REPLACE BRAKE ACTUATOR ASSEMBLY. Refer to REMOVAL 
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.