July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

On-Vehicle Inspection

CHECK INTAKE AIR CONTROL SYSTEM

Using a 3-way connector, connect a vacuum gauge to the actuator hose.
Connect the hand-held tester to the DLC3.
Start the engine.

On the hand-held tester, enter the ACTIVE TEST mode.

Standard:

SWITCH CONDITION AND VACUUM

Switch Condition	Vacuum
VSV ON	Approx. 27.6 kPa (200 mmHg, 7.9 in.Hg)
VSV OFF	0 kPa (0 mmHg, 0 in.Hg)

Fig 1: Connecting A Vacuum Gauge To Actuator Hose

G02624643

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Move the shift lever to the P position.
While operating the accelerator pedal, check open and closed status of the IAC valve No. 1 (IMZ-FE only) and No. 2.
HINT:

Values indicated in the illustration are for reference only. The throttle valve open position varies by engine speed.

Fig 2: Checking Open And Closed Status Of IAC Valve
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002