Check the VSV (Vacuum Switching Valve) using TECHSTREAM (TIS) Software

Figure 1.1 - Vacuum Switching Valve

1). Inspect Purge VSV

Using an ohmmeter, measure the resistance between the terminals: 23-26 ohms at 20 °C (68 °F).
Tester Connection: 1-2
Genuine Toyota: 90910-12199 (Vacuum Switch Valve)

2). Check the Operation.

3). Using TECHSTREAM (TIS) Software.

#Activate the VSV for Evap Control

Connecting MINI-VCI adapter to OBDII Diagnostic Port on your Car. Read More: Install MINI-VCI J2534 Driver untuk TECHSTREAM (Toyota TIS) Software
Once connected, click "Engine and ECT" on "System Selection Menu".

Figure 1.2 - System Selection Menu

Click "Active Test" on the left-side menu, and "Active Test Selection" displayed as Figure 1.3 below. Choose "Activate the VSV for Evap Control" from Active Test List, then click "OK".

Figure 1.3 - Active Test Selection

-This test activates the EVAP Purge VSV.

-Command: ON/OFF.
-Only EVAP VSV is commanded during this test.

Change monitoring "Data List" to "Gas Evaporative", we need to monitoring "EVAP Purge VSV". Read More: Monitoring Parameter Data List on Your Car (Real Time) using TECHSTREAM (TIS Software).

Figure 1.4 - Activate the VSV for Evap Control (OFF)

Click on ">" to activate (ON) "EVAP Purge VSV", and "<" to deactivate (OFF). Please monitoring the "EVAP (Purge) VSV", will open and reading in percent (29.8%). Then manually check the VSV on your Car, and should working (sounds: continuous "CLICK").

Figure 1.5 - Activate the VSV for Evap Control (ON)

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