Checking the Function of the Vacuum Pump

Checking The Function Of The Vacuum Pump







- Ignition on.
- Control module disconnected.
- Connect the single wire cable between terminals 1 and 11 on the control module connector.

Connect the other cable with the double flat pin to control module connector terminal 10. Connect one of the other ends to control module connector terminal 12.

Connect the other cable to control module connector terminal 9. The vacuum pump should start. The vacuum regulator should compress.

Remove the cable from terminal 9 when the vacuum regulator is fully depressed. The vacuum pump should stop.

Is the vacuum pump operating normally?

Yes - Test Complete

No - Checking the Cable to the Vacuum Pump