Vacuum Switching Valve: Inspection

WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT PURGE VSV

Measure the resistance of the purge VSV.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
1 - 2	26 to 30 Ω at 20°C (68°F)
1 - Body ground 2 - Body ground	10 MΩ or higher

If the result is not as specified, replace the purge VSV.

Fig 1: Measuring Resistance Of Purge VSV

Check operation of the purge VSV.
1. Check that air does not flow from port E to port F.
  
  Fig 2: Checking Air Flow From Port E To Port F
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Apply battery voltage across terminals 1 and 2.
3. Check that air flows from port E to port F.
  If the result is not as specified, replace the VSV.
  
  Fig 3: Checking Air Flow From Port E To Port F
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002