Vacuum Switching Valve (W/ Glow Plug Controller) On-Vehicle Inspection

Engine Hybrid System. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

1Kd-Ftv Emission Control. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

INSPECT VACUUM SWITCHING VALVE (for EGR Bypass Valve)

Vacuum Switching Valve (W/ Glow Plug Controller) -- On-Vehicle Inspection

1. INSPECT VACUUM SWITCHING VALVE (for EGR Bypass Valve)

Inspect the vacuum switching valve.
1. Measure the resistance according to the value(s) in the table below.
  Standard Resistance:
  Tester Connection
  Condition
  Specified Condition
  1 - 2
  20°C (68°F)
  37 to 44 Ω
  1 - Body ground
  2 - Body ground
  20°C (68°F)
  10 kΩ or higher
  If the result is not as specified, replace the vacuum switching valve.

Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.1Kd-Ftv Emission Control.Emission Control System.Vacuum Switching Valve (W/ Glow Plug Controller) On-Vehicle Inspection

Check operation of the vacuum switching valve.
1. When a vacuum of 67 kPa (500 mmHg, 19.7 in.Hg) is applied to port F, check that air flows from port E to the filter.
  Text in Illustration
  *1
  Port E
  *2
  Port F
  *3
  Filter
  *a
  Air
  *b
  Vacuum
2. Apply battery voltage across terminals 1 and 2.
  Text in Illustration
  *1
  Port E
  *2
  Port F
  *a
  Air
3. Check that air flows from port E to port F.
  If the result is not as specified, replace the vacuum switching valve.