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Home >> Toyota >> 2016 >> Corolla S, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 21 (Engine Control System (2ZR-FAE) - Diagnostic Codes (3 Of 8) (Model Code: ZRE172)) >> SFI System >> DTC P0340, P0342, P0343; Camshaft Position Sensor Circuit [08/2016 - ] >> Procedure

DTC P0340, P0342, P0343; Camshaft Position Sensor Circuit [08/2016 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK TERMINAL VOLTAGE (POWER SOURCE OF CAMSHAFT POSITION SENSOR (NO. 1 CRANK POSITION SENSOR) (FOR INTAKE CAMSHAFT)) 
    1. Disconnect the camshaft position sensor (No. 1 crank position sensor) (for intake camshaft) connector.
      GTY443525Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Camshaft Position Sensor (No. 1 Crank Position Sensor) (for Intake Camshaft))
    2. Turn the ignition switch to ON.
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      B21-3 (VC) - Body ground Ignition switch ON 4.5 to 5.5 V

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    See step  9

    Result:  1

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (CAMSHAFT POSITION SENSOR (NO. 1 CRANK POSITION SENSOR) (FOR INTAKE CAMSHAFT) - ECM) 
    1. Disconnect the camshaft position sensor (No. 1 crank position sensor) (for intake camshaft) connector.
    2. Disconnect the ECM connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      B21-1 (VVI+) - B33-82 (VV1+) Always Below 1 Ω
      B21-2 (VVI-) - B33-114 (VV1-) Always Below 1 Ω
      B21-1 (VVI+) or B33-82 (VV1+) - Body ground Always 10 kΩ or higher
      B21-2 (VVI-) or B33-114 (VV1-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    OK 

    See step  3

  3. CHECK SENSOR INSTALLATION (CAMSHAFT POSITION SENSOR (NO. 1 CRANK POSITION SENSOR) (FOR INTAKE CAMSHAFT)) 
    1. Check the camshaft position sensor (No. 1 crank position sensor) (for intake camshaft) installation condition.

      OK

      Camshaft position sensor (No. 1 crank position sensor) is installed correctly.

      GTY437034Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Clearance

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    SECURELY REINSTALL CAMSHAFT POSITION SENSOR (NO. 1 CRANK POSITION SENSOR) (FOR INTAKE CAMSHAFT). Refer to  INSTALLATION [08/2013 - ] 

    Result:  1

    OK 

    See step  4

  4. INSPECT CAMSHAFT HOUSING SUB-ASSEMBLY (INTAKE CAMSHAFT) 
    1. Inspect the timing rotor of the intake camshaft.

      OK

      Camshaft timing rotor does not have any cracks or deformation.

      HINT: 

      Perform "Inspection After Repair" after replacing the camshaft housing sub-assembly.

      Refer to INITIALIZATION [08/2016 - ]

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPLACE CAMSHAFT HOUSING SUB-ASSEMBLY. Refer to  REMOVAL [08/2013 - ] 

    Result:  1

    OK 

    See step  5

  5. REPLACE CAMSHAFT POSITION SENSOR (NO. 1 CRANK POSITION SENSOR) (FOR INTAKE CAMSHAFT) 
    1. Replace the camshaft position sensor (No. 1 crank position sensor) (for intake camshaft).

      Refer to REMOVAL [08/2013 - ]

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  6

  6. CHECK WHETHER DTC OUTPUT RECURS (DTC P0340, P0342 OR P0343) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [08/2013 - ]

      Powertrain > Engine and ECT > Clear DTCs 

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

      Powertrain > Engine and ECT > Trouble Codes 

      Result

      Result Proceed to
      DTC P0340, P0342 or P0343 is output A
      DTCs are not output B

    Result:  2

    B 

    END 

    Result:  1

    A 

    See step  7

  7. 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 [08/2016 - ]

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

    Result:  1

    OK 

    See step  8

  8. CHECK WHETHER DTC OUTPUT RECURS (DTC P0340, P0342 OR P0343) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [08/2013 - ]

      Powertrain > Engine and ECT > Clear DTCs 

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

      Powertrain > Engine and ECT > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTC P0340, P0342 or P0343 is output B

      HINT: 

      If the engine does not start, replace the ECM.

    Result:  1

    A 

    CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [08/2013 - ] 

    Result:  2

    B 

    REPLACE ECM. Refer to  REMOVAL [08/2016 - ] 

  9. CHECK HARNESS AND CONNECTOR (CAMSHAFT POSITION SENSOR (NO. 1 CRANK POSITION SENSOR) (FOR INTAKE CAMSHAFT) - ECM) 
    1. Disconnect the camshaft position sensor (No. 1 crank position sensor) (for intake camshaft) connector.
    2. Disconnect the ECM connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      B21-3 (VC) - B33-113 (VCV1) Always Below 1 Ω
      B21-3 (VC) or B33-113 (VCV1) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE ECM. Refer to  REMOVAL [08/2016 - ] 

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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