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Home >> Toyota >> 2020 >> RAV4 XLE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (Engine Control System (A25A-FKS) - Diagnostic Codes (6 Of 9)) >> SFI System >> DTC P0606-94: Control Module Processor Unexpected Operation [12/2021 - ] >> Procedure

DTC P0606-94: Control Module Processor Unexpected Operation [12/2021 - ]: Procedure

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  1. CLEAR DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Clear the DTCs.

      Powertrain > Engine > Clear DTCs 

    5. Turn the ignition switch off.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. READ OUTPUT DTC (DTC P0606-94) 
    1. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
    2. Connect the cable to the negative (-) battery terminal.
    3. Connect the Techstream to the DLC3.
    4. Start the engine.
    5. Turn the Techstream on.
    6. With the vehicle stopped, repeat the accelerator pedal operation (press the accelerator pedal from a state where it is not depressed) several times.
    7. Enter the following menus: Powertrain / Engine / Trouble Codes.
    8. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTC P0606-94 is output B

    Result: 

    A 

    CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [08/2020 - ] 

    Result: 

    B 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (ACCELERATOR PEDAL SENSOR ASSEMBLY - ECM) 
    1. Disconnect the accelerator pedal sensor assembly 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
      A65-6 (VPA) - A24-55 (VPA) Always Below 1 Ω
      A65-3 (VPA2) - A24-58 (VPA2) Always Below 1 Ω
      A65-4 (VCPA) - A24-57 (VCPA) Always Below 1 Ω
      A65-1 (VCP2) - A24-60 (VCP2) Always Below 1 Ω
      A65-5 (EPA) - A24-56 (EPA) Always Below 1 Ω
      A65-2 (EPA2) - A24-59 (EPA2) Always Below 1 Ω
      A65-6 (VPA) or A24-55 (VPA) - Body ground and other terminals Always 10 kΩ or higher
      A65-3 (VPA2) or A24-58 (VPA2) - Body ground and other terminals Always 10 kΩ or higher
      A65-4 (VCPA) or A24-57 (VCPA) - Body ground and other terminals Always 10 kΩ or higher
      A65-1 (VCP2) or A24-60 (VCP2) - Body ground and other terminals Always 10 kΩ or higher
      A65-5 (EPA) or A24-56 (EPA) - Body ground and other terminals Always 10 kΩ or higher
      A65-2 (EPA2) or A24-59 (EPA2) - Body ground and other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM. Refer to  REMOVAL [08/2020 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023]  , or refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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