Acoustic Control Induction System (ACIS): Inspection

Fig 1: Inspecting Intake Air Control Valve

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1. With 39.9 kPa (300 mmHg, 11.8 in.Hg) of vacuum applied to the actuator, check that the actuator rod moves.
2. One minute after applying the vacuum in step (a), check that the actuator rod does not return.

If the operation is not as specified, replace the intake manifold.

1. Using an ohmmeter, check that there is continuity between each terminal.
   Fig 2: Checking Continuity Between VSV Terminal

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   Resistance: 33 to 39 Ω at 20° C (68° F) 

   If there is no continuity, replace the VSV.

2. Using an ohmmeter, check that there is no continuity between each terminal and the body.
   Fig 3: Checking Continuity Between VSV Terminal And Body

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   If there is continuity, replace the VSV.

3. Check that air flows from port E to the filter.
   Fig 4: Checking That Air Flows From Port E To Filter

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4. Apply battery voltage across the terminals.
5. Check that air flows from port E to port F.
Fig 5: Checking That Air Flows From Port E To Port F
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If operation is not as specified, replace the VSV.