FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Checking the Bypass Valve Control




Checking The Bypass Valve Control












- Turn the ignition switch to the ON position.
- Identify the hose between the bypass valve and the bypass valve control valve. Detach the hose at the bypass valve and connect a pressure/vacuum pump.
- Identify the hose between the bypass valve control valve and the periscope. Detach the hose at the periscope.
- Check with the pressure/vacuum pump that air is flowing to the detached hose at the periscope. Plug this as well to make sure there are no leaks.

Is the function correct?

NO - Changing Components - II

YES - Continue with Checking The Bypass valve Control.







- Contact Trionic.
Activate: Charge Air By Pass Solenoid (ON)

- Identify the hose between the bypass valve control valve and the throttle body. Detach the hose at the throttle body.
- Check with the pressure/vacuum pump that air is flowing to the detached hose at the throttle body. Plug this as well to make sure there are no leaks.

Is the function correct?

NO - Changing Components - II

YES - Changing Components - I