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DTC P0335-62: Crankshaft Position Sensor "A" Signal Compare Failure [11/2023 - ]: Procedure

  1. READ VALUE USING GTS (ENGINE DRIVING CONDITION (LINE), ENGINE SPEED) 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Power Source Control > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Engine Driving Condition (Line) Engine state Stop or Driving Stop: Engine stopped
      Driving: Engine running      		 -

      Body Electrical > Power Source Control > Data List 

      Tester Display
      Engine Driving Condition (Line)

      Body Electrical > Power Source Control > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Engine Speed Engine speed 0 to 16383.75 rpm Fluctuates in accordance with actual engine speed -

      Body Electrical > Power Source Control > Data List 

      Tester Display
      Engine Speed

      OK

      The GTS display changes correctly in response to the engine condition.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    GO TO SFI SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ] 

    Result: 

    NG 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - ECM) 

    Pre-procedure1

    1. Disconnect the A88 certification ECU (smart key ECU assembly) connector.
    2. Disconnect the A83 ECM connector.

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      A88-15 (NE) - A83-19 (NEO) Always Below 1 Ω
      A88-15 (NE) or A83-19 (NEO) - Other terminals and body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  3

  3. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 

    Pre-procedure1

    1. Connect the A88 certification ECU (smart key ECU assembly) connector.
    2. Connect the A83 ECM connector.

      Procedure1

    3. Using an oscilloscope, check the engine speed input signal waveform at the terminal of the certification ECU (smart key ECU assembly).
      GTY1178046Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Certification ECU (Smart Key ECU Assembly))

      OK

      Tester Connection Condition Specified Condition
      A88-15 (NE) - Body ground Engine stopped No pulse generation
      A88-15 (NE) - Body ground Engine running Pulse generation

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    OK 

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    GO TO SFI SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ] 

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