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Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 109 (Engine Control System (2UR-GSE) - Diagnostic Codes (1 Of 4)) >> SFI System >> DTC P0012: Camshaft Position "A" - Timing Over-Retarded (Bank 1); DTC P0022: Camshaft Position "A" - Timing Over-Retarded (Bank 2) [11/2021 - ] >> Procedure

DTC P0012: Camshaft Position "A" - Timing Over-Retarded (Bank 1); DTC P0022: Camshaft Position "A" - Timing Over-Retarded (Bank 2) [11/2021 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus IS 500, 2023 Lexus IS 500, and 2022 Lexus IS 500. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0012 OR P0022) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine / Trouble Codes.
    5. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTC P0012 or P0022 is output A
      DTC P0012 or P0022 and other DTCs are output B

      HINT: 

      If any DTCs other than P0012 or P0022 are output, troubleshoot those DTCs first.

    Result: 

    B 

    GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2021 - ] 

    Result: 

    A 

    See step  2

  2. INSPECT CAMSHAFT TIMING GEAR ASSEMBLY (BANK 1 OR BANK 2) 

    See step  1

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE CAMSHAFT TIMING GEAR ASSEMBLY (BANK 1 OR BANK 2). Refer to  DISASSEMBLY [11/2021 - ] 

    Result: 

    OK 

    See step  3

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

      Refer to REMOVAL [11/2021 - ]

      HINT: 

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

      Refer to INITIALIZATION [11/2021 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  4

  4. 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 [11/2021 - ]

      Powertrain > Engine > Clear DTCs 

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

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTC P0012 or P0022 is output B

    Result: 

    A 

    END 

    Result: 

    B 

    REPLACE ECM. Refer to  REMOVAL [11/2021 - ] 

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