VARIABLE AIR DUCT (VAD) SHUTTER VALVE INSPECTION [MZR 2.5]

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Operation Inspection

1.  Remove the air cleaner case. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZR 1.8, MZR 2.0, MZR 2.5].)

2.  Disconnect the vacuum hose from the VAD shutter valve actuator.

3.  Connect a vacuum pump to the VAD shutter valve actuator.

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4.  Apply vacuum and verify that the rod moves.

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Vacuum kPa {mmHg, inHg}	Rod movement
Below –10 {–75, –3.0}	Starts to move
Above –35 {–263, –10.4}	Fully pulled

•  If the rod dose not move, replace the air cleaner. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZR 1.8, MZR 2.0, MZR 2.5].)