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Home >> Lexus >> 2021 >> RC F Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (6 Of 9) >> SFI System >> DTC P1023: Camshaft Position Signal Output "B" Circuit; DTC P2614: Camshaft Position Signal Output Circuit / Open [09/2014 - ] >> Procedure

DTC P1023: Camshaft Position Signal Output "B" Circuit; DTC P2614: Camshaft Position Signal Output Circuit / Open [09/2014 - ]: Procedure

  1. REPLACE CAMSHAFT TIMING CONTROL MOTOR (BANK 1 OR BANK 2) 
    1. Replace the camshaft timing control motor.

      Refer to REMOVAL [09/2014 - ]

      HINT: 

      Perform "Inspection After Repair" after replacing the camshaft timing control motor.

      Refer to INITIALIZATION [09/2014 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [09/2014 - ]

      Powertrain > Engine > Clear DTCs 

    5. Turn the engine switch off and wait for at least 30 seconds.
    6. Turn the engine switch on (IG).
    7. Turn the Techstream on.
    8. Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern.
    9. Enter the following menus: Powertrain / Engine / Trouble Codes.
    10. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      Other DTCs are output B

    Result: 

    END 

    Result: 

    REPLACE ECM. Refer to  REMOVAL [09/2014 - ]