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Home >> Lexus >> 2009 >> IS F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control (SFI) System (Diagnostic Codes (P0230-P1276)) >> SFI System >> DTC P1023: Camshaft Position Signal Output "B" Circuit; DTC P2614: Camshaft Position Signal Output Circuit / Open >> Procedure
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DTC P1023: Camshaft Position Signal Output "B" Circuit; DTC P2614: Camshaft Position Signal Output Circuit / Open: Procedure

  1. REPLACE CAMSHAFT TIMING CONTROL MOTOR (BANK 1 AND/OR BANK 2) 
    1. Replace the camshaft timing control motor. Refer to REMOVAL .

    NEXT: Go to next step 

  2. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED 
    1. Connect the Techstream to the DLC3.
    2. Clear the DTC. Refer to DTC CHECK / CLEAR .
    3. Start the engine and idle it for 10 seconds.
    4. Enter the following menus: Powertrain / Engine / Trouble Codes.
    5. Read the DTCs.

      Result

      Display (DTC Output) Proceed to
      No output A
      Other DTCs B

    B → See step   3 

    A → END 

  3. GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART