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Multiplex Communication System <--> [Information Bus] > < Idle Up Control Valve|Description and Operation

Tundra Access Cab SR5 2WD V6-3.4L (5VZ-FE) (2000)

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Idle Up Control Valve: Testing and Inspection

INSPECTION 

1. TURN AIR CONDITIONING SWITCH OFF
2. CHECK IDLE-UP

a. Start the engine and run it at idle.
b. Fully turn the steering wheel.
c. Check that the engine rotations decrease when the vacuum hose of the air control valve is pinched.
d. Check that the engine rotations increase when the hose is released.

Multiplex Communication System <--> [Information Bus] > < Idle Up Control Valve|Description and Operation