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Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - SFI System Diagnostics (3 Of 4) >> DTC P1023 Camshaft Position Signal Output "B" Circuit; DTC P2614 Camshaft Position Signal Output Circuit / Open >> Inspection Procedure

Inspection Procedure

HINT.

Read freeze frame data using the Techstream The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored When troubleshooting, freeze frame data can be helpful in determining whether the vehicle was running or stopped, whether the engine was warmed up or not, whether the air fuel ratio was lean or rich, as well as other data recorded at the time of a malfunction.

  1. REPLACE CAMSHAFT TIMING CONTROL MOTOR (BANK 1 AND/OR BANK 2) 
    1. Replace the camshaft timing control motor (See REMOVAL )
  2. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED 
    1. Connect the Techstream to the DLC3.
    2. Clear the DTC (See 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 

      RESULT CHART

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

    B: GO TO DTC CHART  (See DIAGNOSTIC TROUBLE CODE CHART )

    A: END