Idle Up Control Valve: Testing and Inspection

IDLE-UP SYSTEM






INSPECTION OF VSV (Idle-up)

1. MEASURE BATTERY VOLTAGE OF VACUUM SWITCHING VALVE (VSV).
a. All accessories switched "OFF".






b. Using a voltmeter, check that the meter indicates battery voltage during cranking and for ten seconds after starting.

2. INSPECT VSV OPERATION.
a. Remove the Vacuum Switching Valve (VSV).






b. Connect the VSV terminals to the battery terminals.
c. Blow into pipe E and check that air comes out of pipe F.






d. Disconnect the battery terminals.
e. Closed VSV.

If a problem is found, replace the VSV.