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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2GR-FKS) - Diagnostic Codes (1 Of 6) >> SFI System >> DTC P0014-00: Camshaft Position "B" - Timing Over-Advanced or System Performance Bank 1; DTC P0015-00: Camshaft Position "B" - Timing Over-Retarded Bank 1; DTC P0024-00: Camshaft Position "B" - Timing Over-Advanced or System Performance Bank 2; DTC P0025-00: Camshaft Position "B" - Timing Over-Retarded Bank 2 [12/2019 - 10/2022] >> Procedure

DTC P0014-00: Camshaft Position "B" - Timing Over-Advanced or System Performance Bank 1; DTC P0015-00: Camshaft Position "B" - Timing Over-Retarded Bank 1; DTC P0024-00: Camshaft Position "B" - Timing Over-Advanced or System Performance Bank 2; DTC P0025-00: Camshaft Position "B" - Timing Over-Retarded Bank 2 [12/2019 - 10/2022]: Procedure

  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0014-00, P0015-00, P0024-00 OR P0025-00) 
    1. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTC P0014-00, P0015-00, P0024-00 or P0025-00 is output A
      DTC P0014-00, P0015-00, P0024-00 or P0025-00 and other DTCs are output B

      HINT: 

      If any DTCs other than P0014-00, P0015-00, P0024-00 or P0025-00 are output, troubleshoot those DTCs first.

    Result: 

    GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2019 - 09/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2020 - 10/2021]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2021 - 10/2022] 

    Result: 

    See step  2

  2. PERFORM ACTIVE TEST USING GTS (CONTROL THE EXHAUST VVT OCV DUTY RATIO) 
    1. Start the engine.
    2. Check the engine speed while operating the cam timing oil control solenoid assembly (for exhaust camshaft) using the GTS.

      Powertrain > Engine > Active Test 

      Tester Display
      Control the Exhaust VVT OCV Duty Ratio Bank 1

      Powertrain > Engine > Active Test 

      Tester Display
      Control the Exhaust VVT OCV Duty Ratio Bank 2

      OK

      GTS Operation Engine Condition
      0% Normal engine speed
      100% Engine idles roughly or stalls

      HINT: 

      Refer to "Data List / Active Test" [Exhaust VVT OCV Control Duty Ratio Bank 1, Exhaust VVT Change Angle Bank 1, Exhaust VVT OCV Control Duty Ratio Bank 2 and Exhaust VVT Change Angle Bank 2].

      Refer to DATA LIST / ACTIVE TEST [12/2019 - 09/2020] , or refer to DATA LIST / ACTIVE TEST [09/2020 - 10/2022]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  5

    Result: 

    OK 

    See step  3

  3. CLEAR DTC 
    1. Clear the DTCs.

      Powertrain > Engine > Clear DTCs 

    2. Turn the ignition switch off and wait for at least 30 seconds.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  4

  4. CHECK WHETHER DTC OUTPUT RECURS (DTC P0014-00, P0015-00, P0024-00 OR P0025-00) 
    1. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
    2. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTC P0014-00, P0015-00, P0024-00 or P0025-00 is output B

      HINT: 

      DTC P0014-00, P0015-00, P0024-00 or P0025-00 may be stored when foreign matter in the engine oil is caught in some parts of the system. The DTC will remain stored even if the system returns to normal after a short time. This foreign matter may then be captured by the oil filter.

    Result: 

    CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [12/2019 - 10/2022] 

    Result: 

    See step  5

  5. INSPECT CAM TIMING OIL CONTROL SOLENOID ASSEMBLY (FOR EXHAUST CAMSHAFT) 

    Refer to INSPECTION [12/2019 - 10/2022]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    See step  12

    Result: 

    OK 

    See step  6

  6. INSPECT CAMSHAFT TIMING GEAR BOLT (CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY [FOR EXHAUST CAMSHAFT]) 

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    See step  14

    Result: 

    OK 

    See step  7

  7. CHECK VALVE TIMING (CHECK FOR LOOSE TIMING CHAIN AND JUMPED TEETH) 
    1. Remove the cylinder head cover sub-assembly and cylinder head cover sub-assembly LH.
      GTY661968Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Timing Mark *b TDC Timing Mark
      *c Groove - -
    2. Turn the crankshaft pulley and align its groove with the TDC timing mark of the timing chain cover.
    3. Check that the timing marks of the camshaft timing gear assemblies and camshaft timing exhaust gear assemblies are aligned with the timing marks of the bearing cap as shown in the illustration.

      HINT: 

      If the timing marks are not as shown, turn the crankshaft one revolution clockwise.

      OK

      Timing marks on camshaft timing gear assemblies and camshaft timing exhaust gear assemblies are aligned as shown in the illustration.

      HINT: 

      If the result is not as specified, check for mechanical malfunctions that may have affected the valve timing, such as a jumped tooth or stretching of the timing chain.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  9

    Result: 

    OK 

    See step  8

  8. INSPECT OIL CONTROL VALVE FILTER (FOR EXHAUST CAMSHAFT) 
    GTY642911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    A for Exhaust Camshaft of Bank 1 B for Exhaust Camshaft of Bank 2
    *1 Oil Control Valve Filter - -
    1. Remove the oil control valve filter (for exhaust camshaft of bank 1) or oil control valve filter (for exhaust camshaft of bank 2).
    2. Check that the filter is not clogged.

      OK

      Filter is not clogged.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    See step  16

    Result: 

    NG 

    REPLACE OIL CONTROL VALVE FILTER (FOR EXHAUST CAMSHAFT) 

  9. CHECK ENGINE MECHANICAL SYSTEM 
    1. Check for mechanical malfunctions that affect the valve timing, such as a jumped tooth or stretching of the timing chain.

      HINT: 

      Perform "Inspection After Repair" after repairing or replacing the engine mechanical system.

      Refer to INITIALIZATION [12/2019 - 10/2022]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

    Result: 

    OK 

    See step  10

  10. CLEAR DTC 
    1. Clear the DTCs.

      Powertrain > Engine > Clear DTCs 

    2. Turn the ignition switch off and wait for at least 30 seconds.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  11

  11. CHECK WHETHER DTC OUTPUT RECURS (DTC P0014-00, P0015-00, P0024-00 OR P0025-00) 
    1. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
    2. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTC P0014-00, P0015-00, P0024-00 or P0025-00 is output B

    Result: 

    CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [12/2019 - 10/2022] 

    Result: 

    REPLACE ECM. Refer to  REMOVAL [12/2019 - 09/2020]  , or refer to  REMOVAL [09/2020 - 10/2022] 

  12. REPLACE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY (FOR EXHAUST CAMSHAFT) 

    Refer to REMOVAL [12/2019 - 10/2022]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  13

  13. INSPECT CAMSHAFT TIMING GEAR BOLT (CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY [FOR EXHAUST CAMSHAFT]) 

    Result

    Proceed to
    OK
    NG

    Result: 

    OK 

    See step  15

    Result: 

    NG 

    See step  14

  14. REPLACE CAMSHAFT TIMING GEAR BOLT (CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY [FOR EXHAUST CAMSHAFT]) 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  15

  15. PERFORM ACTIVE TEST USING GTS (CONTROL THE EXHAUST VVT OCV DUTY RATIO) 
    1. Start the engine.
    2. Check the engine speed while operating the cam timing oil control solenoid assembly (for exhaust camshaft) using the GTS.

      Powertrain > Engine > Active Test 

      Tester Display
      Control the Exhaust VVT OCV Duty Ratio Bank 1

      Powertrain > Engine > Active Test 

      Tester Display
      Control the Exhaust VVT OCV Duty Ratio Bank 2

      OK

      GTS Operation Engine Condition
      0% Normal engine speed
      100% Engine idles roughly or stalls

      HINT: 

      Refer to "Data List / Active Test" [Exhaust VVT OCV Control Duty Ratio Bank 1, Exhaust VVT Change Angle Bank 1, Exhaust VVT OCV Control Duty Ratio Bank 2 and Exhaust VVT Change Angle Bank 2].

      Refer to DATA LIST / ACTIVE TEST [12/2019 - 09/2020] , or refer to DATA LIST / ACTIVE TEST [09/2020 - 10/2022]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END 

    Result: 

    NG 

    See step  16

  16. REPLACE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY 

    Refer to REMOVAL [12/2019 - 10/2022]

    HINT: 

    Perform "Inspection After Repair" after replacing the camshaft timing exhaust gear assembly.

    Refer to INITIALIZATION [12/2019 - 10/2022]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  17

  17. CLEAR DTC 
    1. Clear the DTCs.

      Powertrain > Engine > Clear DTCs 

    2. Turn the ignition switch off and wait for at least 30 seconds.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  18

  18. CHECK WHETHER DTC OUTPUT RECURS (DTC P0014-00, P0015-00, P0024-00 OR P0025-00) 
    1. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
    2. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTC P0014-00, P0015-00, P0024-00 or P0025-00 is output B

    Result: 

    END 

    Result: 

    REPLACE ECM. Refer to  REMOVAL [12/2019 - 09/2020]  , or refer to  REMOVAL [09/2020 - 10/2022]