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СИСТЕМА СНИЖЕНИЯ ТОКСИЧНОСТИ ОТРАБОТАВШИХ ГАЗОВ ПРОВЕРКА БЕЗ СНЯТИЯ С АВТОМОБИЛЯ

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  1. Click here

    INSPECT PURGE VSV


    1. Connect the GTS to the DLC3.

    2. Remove the V-bank cover (Click here).

    3. A01EQE7

      Disconnect the hose (connected to the canister) from the purge VSV.

    4. Start the engine and turn the tester on.

    5. Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the VSV for EVAP Control.

      OK
      Tester Operation Specified Condition
      EVAP VSV: OFF Purge VSV has no suction
      EVAP VSV: ON Purge VSV has suction
    6. Connect the hose (connected to the canister) to the purge VSV.

    7. Install the V-bank cover (Click here).

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    CHECK FUEL CUT RPM


    1. Start and warm up the engine.

    2. Open the throttle valve and maintain the engine speed at 3000 rpm.

    3. Use a sound scope to check for injector operating sounds.

    4. Check that when the accelerator pedal is released, injector operating sounds stop momentarily and then resume.

      If the result is as not specified, check the injector, wiring and ECM.

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    VISUALLY INSPECT HOSES, CONNECTIONS AND GASKETS


    1. Check that there are no cracks, leaks or damage.

      Note:
      • Detachment or other problems with the engine oil dipstick, filler cap, ventilation hose and other components may cause the engine to run improperly.

      • Disconnection, looseness or cracks in the parts of the air induction system between the throttle body and cylinder head will allow air suction and cause an engine failure or engine failure malfunctions.

      If the result is not as specified, replace parts as necessary.

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    CHECK HOSES AND CONNECTORS


    1. Visually check for loose connections, sharp bends or damage.

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    CHECK FUEL TANK ASSEMBLY


    1. Visually check for deformation, cracks or fuel leakage.

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    INSPECT SECONDARY AIR INJECTION SYSTEM OPERATION


    1. Start the engine and warm it up.

    2. Turn the engine switch off.

    3. Connect the GTS to the DLC3.

    4. Turn the engine switch on (IG) and turn the GTS on.

    5. Enter the following menus: Powertrain / Engine and ECT / Utility / Air Injection Check / Manual Mode / AIR PUMP: ON, ASV1: OPEN, ASV2: OPEN and AIR PUMP: OFF, ASV1: CLOSE, ASV2: CLOSE.

      Tip:

      When Manual Mode is selected, GTS initialization (atmospheric pressure measurement) is performed automatically. Initialization takes 10 seconds. After initialization, AIR PUMP and ASV operation can be selected.

    6. Start the engine.

    7. Perform the AIR system intrusive operation while the engine is idling.

    8. Check that the air pump (AIR PUMP), ASV and pressure in the AIR system passage (PRESSURE) status displayed on the GTS indicate the conditions shown in the table below.

      Standard
      Tester Operation AIR PUMP ASV PRESSURE*1 PULSATION*2
      AIR PUMP: ON, ASV: OPEN ON ON 2.4 kPa or higher 20 kPa or higher
      AIR PUMP: OFF, ASV: CLOSE OFF OFF Below 2.4 kPa Below 30 kPa

      *1:

      Average pumping pressure (gauge pressure). The pressure should be 2.4 kPa or higher when the AIR system operates.

      *2:

      The cumulative exhaust pulsation calculated by the ECM. If the calculated value exceeds a certain level, the ECM determines that the exhaust pulsation is in the AIR system.

    9. Turn the engine switch off.

      Note:
      • Air Injection Check only allows technicians to operate the AIR system for a maximum of 5 seconds.

        Furthermore, the check can only be performed up to 4 times per trip. If the test is repeated, intervals of at least 30 seconds are required between checks.

        While AIR system operation using the GTS is prohibited, the GTS display indicates the prohibition (WAIT or ERROR).

        If ERROR is displayed on the GTS during the test, stop the engine for 10 minutes, and then try again.

      • Performing Air Injection Check repeatedly may cause damage to the AIR system. If necessary, leave an interval of several minutes between Air Injection Check operations to prevent the system from overheating.

      • When performing the Air Injection Check operation after the battery cable has been reconnected, wait for 7 minutes with the engine switch on (IG) or the engine running.

      • Turn the engine switch off when the Air Injection Check operation finishes.