Inspect VSV

Inspect the VSV for open circuit.
Using an ohmmeter, check that there is no continuity between the terminals.
- Resistance: 37-44 Ω at 20°C (68°F)
If there is no continuity, replace the VSV.

Fig 1: Checking There Is No Continuity Between Terminals Using An Ohmmeter
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Inspect the VSV for ground.
Using an ohmmeter, check that there is no continuity between each terminal and the body.

If there is continuity, replace the VSV.

Fig 2: Checking There Is No Continuity Between Each Terminal & Body Using An Ohmmeter
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Inspect the VSV operation.
1. Check that air flows from ports E to G.
  
  Fig 3: Checking Air Flows From Ports E To G
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2. Apply battery positive across the terminals.
3. Check that air flows from ports E to F.
If operation is not as specified, replace the VSV.

Fig 4: Applying Battery Positive Across Terminals
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