Vacuum Vent Valves Do Not Work

1. Connect test light between terminal No. 3 and ground.
2. Turn the ignition switch, and cruise control switch on.
3. Press and release the brake pedal. If equipped, press and release the clutch pedal.
4. If test light turns off, proceed to next test.
5. If test light does not turn off, check the following:
a. Repair broken wire.
b. Adjust vacuum vent valve.
c. Replace vacuum vent valve.