Checking Components and Wiring

Checking Components And Wiring







Activate the control valve (2) to check its function. The valve must click at activation.

Connect a vacuum pump to the control valve terminal (for hoses connected to the intake manifold) and pump a vacuum. Listen for leakage. Check the stability of the pressure on the gauge. The valve is leaking if the pressure drops.

Check that the dampers (4) can move freely and that nothing is obstructing them.

HINT: Check the function by pumping a vacuum to the vacuum motor.

Remedy as necessary.

Other Information
- For control valve replacement: Distribution damper intake pipe, replacing

Continue: Refer to Verification. Verification