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Home >> Toyota >> 2011 >> Camry Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 156 (Engine Control (SFI) System (2GR-FE) (Diagnostic Codes (P0443-U0101) & Circuit Tests) (Except Hybrid)) >> SFI System >> DTC P2420: Evaporative Emission System Switching Valve Control Circuit High >> Confirmation Driving Pattern

Confirmation Driving Pattern

WARNING: This page is about a different car, the 2010 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Confirmation Driving Pattern
GTY172969Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NOTE:
  • The Evaporative System Check (Automatic Mode) consists of 5 steps performed automatically by the Techstream. It takes a maximum of approximately 18 minutes.
  • Do not perform the Evaporative System Check when the fuel tank is more than 90% full because the cut-off valve may be closed, making the fuel tank leak check unavailable.
  • Do not run the engine during this operation.
  • When the temperature of the fuel is 35°C (95°F) or higher, a large amount of vapor forms and any check results become inaccurate. When performing the Evaporative System Check, keep the fuel temperature below 35°C (95°F).
  1. Connect the Techstream to the DLC3.
  2. Turn the ignition switch to ON and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the Clear DTC procedure). Refer to DTC CHECK / CLEAR .
  4. Turn the ignition switch off and turn the Techstream off.
  5. Turn the ignition switch to ON and turn the Techstream on [A].
  6. Enter the following menus: Powertrain / Engine / Utility / Evaporative System Check / Automatic Mode.
  7. After the "Evaporative System Check" is completed, check for All Readiness by entering the following menus: Powertrain / Engine / Utility / All Readiness.
  8. Input the DTC: P2420.
  9. Check the DTC judgment result [B].
    Techstream Display Description
    NORMAL
    • DTC judgment completed
    • System normal
    ABNORMAL
    • DTC judgment completed
    • System abnormal
    INCOMPLETE
    • DTC judgment not completed
    • Perform driving pattern after confirming DTC enabling conditions
    UNKNOWN
    • Unable to perform DTC judgment
    • Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit

    HINT: 

    If the judgment result shows ABNORMAL, the system has a malfunction.

  10. If the test result is UNKNOWN, enter the following menus: Powertrain / Engine / Trouble Codes / Pending.
  11. Read Pending DTCs.

    HINT: 

    If a pending DTC is output, the system is malfunctioning.

  12. If the test result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to DTC CHECK / CLEAR .

    HINT: 

    • If a permanent DTC is output, the system is malfunctioning.
    • If no permanent DTC is output, the system is normal.