2008 Scion xD AutomaticFACTORY OEM SERVICE PROCEDURE

Inspection Procedure

NOTE: A Techstream is required to conduct the following diagnostic troubleshooting procedure.

HINT:

  • Using a Techstream to monitor results enables the EVAP (Evaporative Emission) system to be confirmed.
  • Read freeze frame data using a Techstream. Freeze frame data records the engine condition 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.
  1. CONFIRM DTC 
    1. Turn the ignition switch to OFF and wait for 10 seconds.
    2. Turn the ignition switch to ON.
    3. Turn the ignition switch to OFF and wait for 10 seconds.
    4. Connect a Techstream to the DLC3.
    5. Turn the ignition switch to ON.
    6. Turn the tester ON.
    7. Select the following menu items: Powertrain / Engine and ECT / Trouble Codes.
    8. Confirm DTCs and freeze frame data.

      If any EVAP system DTCs are set, the malfunctioning area can be determined using the table below.

      Fig 1: DTC Malfunctioning Area Reference Chart
      G04942933Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. PERFORM EVAPORATIVE SYSTEM CHECK (AUTOMATIC MODE) 
    NOTE:
    • The Evaporative System Check (Automatic Mode) consists of five steps performed automatically by a 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. If the cut-off valve is closed, the fuel tank leak check is not possible.
    • Do not run the engine during this operation.
    • When the temperature of the fuel is 35°C (95°F) or more, a large amount of vapor forms and any check results become inaccurate. When performing the Evaporative System Check, keep the temperature below 35°C (95°F).
    1. Clear DTCs (See DTC CHECK / CLEAR  ).
    2. Select the following menu items: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode.
    3. After the Evaporative System Check is completed, check for pending DTCs by selecting the following menu items: Powertrain / Engine and ECT / Trouble Codes / Pending.

      HINT:

      If no pending DTCs are displayed, perform the CONFIRMATION DRIVING PATTERN . After this confirmation, check for pending DTCs. If no DTCs are displayed, the EVAP system is normal.

  3. PERFORM EVAPORATIVE SYSTEM CHECK (MANUAL MODE) 
    Fig 2: EVAP Pressure Graph (Manual Mode)
    G05398636Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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