SFI SYSTEM (w/ EGR System), Diagnostic DTC:P0016

DTC Code DTC Name
P0016 Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)

DESCRIPTION

The ECM optimizes the valve timing by using the VVT (Variable Valve Timing) system to control the intake camshaft. The VVT system includes the ECM, the camshaft timing oil control valve assembly and the VVT controller (camshaft timing gear assembly). The ECM sends a target duty-cycle control signal to the camshaft timing oil control valve assembly.

This control signal regulates the oil pressure supplied to the VVT controller. The VVT controller can advance or retard the intake camshaft.

DTC No. Detection Condition Trouble Area
P0016

Deviation in crankshaft position sensor signal and camshaft position sensor signal

(2 trip detection logic)

  • Valve timing

  • Camshaft timing oil control valve assembly

  • Oil control valve filter

  • Camshaft timing gear assembly (for intake camshaft)

  • ECM

INSPECTION PROCEDURE

Tech Tips

Read freeze frame data using the intelligent tester. Freeze frame data records the engine conditions when malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

PROCEDURE


  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0016)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the tester on.

    4. Enter the following menus: Powertrain / Engine and ECT / DTC.

    5. Read the DTCs.

      Result
      Result Proceed to
      DTC P0016 is output A
      DTC P0016 and other DTCs are output B

      Tech Tips

      If any DTCs other than P0016 are output, troubleshoot those DTCs first.


    B

    GO TO DTC CHART Click here

    A

  2. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (OPERATE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the tester on.

    4. Put the engine in inspection mode Click here.

    5. Start the engine.

    6. Warm up the engine.

    7. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the VVT System (Bank 1).

    8. Check the engine speed while operating the camshaft timing oil control valve assembly using the tester.

      Result
      Tester Operation Specified Condition
      OFF Normal engine speed
      ON

      Engine idles roughly or stalls

      (soon after camshaft timing oil control valve assembly switched from OFF to ON)

      Tech Tips

      If the result is not acceptable, cool the engine and perform the Active Test again.

    9. Start the engine when the engine coolant temperature is 30°C (86°F) or less.

    10. Turn the tester on.

    11. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the VVT System (Bank 1).

    12. Check the engine speed while operating the camshaft timing oil control valve assembly using the tester with the engine coolant temperature at 50°C (122°F) or less.

      Result
      Tester Operation Specified Condition
      OFF Normal engine speed
      ON

      Engine idles roughly or stalls

      (soon after camshaft timing oil control valve assembly switched from OFF to ON)

    NG

    INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY Click here

    OK

  3. CHECK WHETHER DTC OUTPUT RECURS (DTC P0016)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the tester on.

    4. Clear the DTCs Click here.

    5. Put the engine in inspection mode Click here.

    6. Start the engine and warm it up.

    7. Allow the engine to idle for 5 minutes or more.

    8. Enter the following menus: Powertrain / Engine and ECT / DTC / Pending.

    9. Read the pending DTCs.

      Result
      Result Proceed to
      DTC is not output A
      DTC P0016 is output B

    B

    ADJUST VALVE TIMING Click here

    A

    CHECK FOR INTERMITTENT PROBLEMS Click here

  4. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY


    1. A01J8DIE17

      Remove the camshaft timing oil control valve assembly Click here.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 20°C (68°F) 6.9 to 7.9 Ω
      Text in Illustration
      *1

      Component without harness connected

      (Camshaft Timing Oil Control Valve Assembly)
    3. A01JBDCE09

      Connect the positive (+) battery terminal to terminal 1 and connect the negative (-) battery terminal to terminal 2. Check the valve operation.

      OK
      Valve moves quickly.

    4. Reinstall the camshaft timing oil control valve assembly Click here.


    NG

    REPLACE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY Click here

    OK

  5. INSPECT CAMSHAFT TIMING GEAR ASSEMBLY


    1. Inspect the camshaft timing gear assembly (for intake camshaft) Click here.


    NG

    REPLACE CAMSHAFT TIMING GEAR ASSEMBLY Click here

    OK

  6. INSPECT OIL CONTROL VALVE FILTER


    1. A01J8US

      Remove the oil control valve filter Click here.

    2. Check that the filter is not clogged.

      OK
      Filter is not clogged.

    3. Reinstall the oil control valve filter Click here.


    NG

    REPLACE OIL CONTROL VALVE FILTER Click here

    OK

  7. ADJUST VALVE TIMING

    A01JA9ME01
    Text in Illustration
    *1 Top
    *2 Alignment Mark
    *3 No. 1 Cylinder at TDC Compression

    Tech Tips

    There are no marks on the cylinder head to match-up for the purpose of checking valve timing. Valve timing can only be inspected by lining up the colored plates on the timing chain with the marks on the pulleys. It may be necessary to remove and reinstall the chain to match-up the alignment marks Click here.


    NEXT

  8. CHECK WHETHER DTC OUTPUT RECURS (DTC P0016)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the tester on.

    4. Clear the DTCs Click here.

    5. Put the engine in inspection mode Click here.

    6. Start the engine and warm it up.

    7. Allow the engine to idle for 5 minutes or more.

    8. Enter the following menus: Powertrain / Engine and ECT / DTC / Pending.

    9. Read the pending DTCs.

      Result
      Result Proceed to
      DTC is not output A
      DTC P0016 is output B

    B

    REPLACE ECM Click here

    A

    END