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Home >> Lexus >> 2016 >> LS 600h >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (P0010-P0193) >> SFI System >> DTC P0012: Camshaft Position "A" - Timing Over-Retarded (Bank 1); DTC P0022: Camshaft Position "A" - Timing Over-Retarded (Bank 2) [09/2015 - ] >> Procedure

DTC P0012: Camshaft Position "A" - Timing Over-Retarded (Bank 1); DTC P0022: Camshaft Position "A" - Timing Over-Retarded (Bank 2) [09/2015 - ]: Procedure

  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0012 OR P0022) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
    5. Read DTCs.
      RESULT

      Display (DTC Output) Proceed to
      P0012 or P0022 A
      P0012 or P0022 and other DTCs B

    Result:  B

    GO TO DTC CHART 

    (Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2015 - ] )

    Result:  A

    See step  2

  2. INSPECT CAMSHAFT TIMING GEAR ASSEMBLY (for Bank 1 or Bank 2) 
    1. Turn the power switch off.
    2. Remove the camshaft timing control motor (Refer to REMOVAL [09/2015 - ] ).
    3. Check if the camshaft timing gear assembly's eccentric shaft rotates smoothly.

      OK

      Rotates smoothly

      GTY685768Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Result:  NG

    NG 

    REPLACE CAMSHAFT TIMING GEAR ASSEMBLY (for Bank 1 or Bank 2) 

    (Refer to DISASSEMBLY [09/2015 - ] )

    Result:  OK

    OK 

    See step  3

  3. REPLACE CAMSHAFT TIMING CONTROL MOTOR (for Bank 1 or Bank 2) 
    1. Replace the camshaft timing control motor (Refer to REMOVAL [09/2015 - ] ).

    Result:  NEXT

    NEXT 

    See step  4

  4. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Clear DTCs (Refer to DTC CHECK / CLEAR [09/2015 - ] ).
    5. Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern.
    6. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
    7. Read the DTCs.
      RESULT

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

    Result:  A

    END 

    Result:  B

    GO TO DTC CHART 

    (Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2015 - ] )