On-Vehicle Inspection

WARNING: This page is about a different car, the 2004 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT 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 CHART

Switch Condition	Vacuum
VSVON	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