On-Vehicle Inspection

1. Warm up the engine.
2. Turn the engine switch off.
3. Remove the V bank cover. Refer to REMOVAL - Step 15 .
4. Connect the Techstream to the DLC3.
5. Turn the engine switch on (IG).
6. Turn the Techstream on.
7. Enter the following menus: Powertrain / Engine and ECT / Active test / Active the VSV for Intake Control.
8. Start the engine.
9. Perform the Active Test and check that the actuator rod operates.
   Fig 1: Identifying Intake Air Control Valve Actuator Rod

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TEXT IN ILLUSTRATION
   
   

   *a	ON (Seal)
   *b	OFF (Vent)

   If the result is not as specified, inspect the ECM, intake manifold and VSV (for ACIS) for normal operation. Replace malfunctioning parts as necessary.

10. Turn the engine switch off.
11. Disconnect the Techstream from the DLC3.
12. Install the V bank cover. Refer to INSTALLATION - Step 80 .

1. Inspect the diaphragm.
   Fig 2: Inspecting Diaphragm

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Using a vacuum pump, apply a vacuum of 60 kPa (450 mmHg, 17.7 in.Hg). Check that the lever moves.
      TEXT IN ILLUSTRATION
      
      

      *1	Vacuum Pump

      If the result is not as specified, replace the intake air surge tank.

HINT: 

The illustration shows the areas that may draw in secondary air, which could lead to idling problems.

1. Check that the hoses are installed correctly.
2. Check for cracks, etc. in the hoses.
   Fig 3: Identifying Intake Air Control Valve Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TEXT IN ILLUSTRATION
   
   

   *1	Air Cleaner	*2	Mass Air Flow Meter
   *3	Air Cleaner Hose	*4	Resonator
   *5	Throttle Body	*6	Vacuum Sensor
   *7	Manifold Absolute Pressure Sensor	*8	Ventilation Pipe
   *9	Intake Manifold	*10	Intake Air Control Valve Actuator (for ACIS)
   *11	Purge VSV	*12	EGR Valve
   *13	Vacuum Switching Valve (for ACIS)	-	-