On-Vehicle Inspection
INSPECT INTAKE AIR CONTROL VALVEa. Remove V-bank cover.
b. Remove the intake air connector.
c. Disconnect the throttle body from the intake manifold.
d. Remove the intake manifold.
e. Using a 3-way connector, connect vacuum gauge to the actuator hose.
f. Reinstall the intake manifold.
g. Reconnect the throttle body.
h. Start the engine.
i. While the engine is idling, check that the vacuum gauge needle momentarily fluctuates up to approx. 39.9 kPa (300 mmHg, 11.8 in.Hg). (The actuator rod is pulled out.)
j. Rapidly depress the accelerator pedal to fully open position and check that the vacuum gauge needle points to 0 kPa (0 mmHg, 0 in.Hg). (The actuator rod is returned.)
k. Disconnect the throttle body.
l. Remove the intake manifold.
m. Remove the vacuum gauge, and connect the vacuum hose to the actuator.
n. Reinstall the intake manifold.
o. Reconnect the throttle body.
p. Reinstall the intake air connector.
q. Reinstall the V-bank cover.