1. Remove the vacuum hose..
2. Verify that air can be blown from the power brake unit side of the vacuum hose towards the vacuum pump side, and that air cannot be blown in the opposite direction.

If there is any malfunction of the inner check valve, replace it together with the vacuum hose as a single unit.
Vacuum Hose Removal/Installation
Vacuum Pump InspectionClimate Control Unit [Manual Air Conditioner]
Purpose
The climate control unit performs air conditioning according to the operation
by the users and the driving conditions of the vehicle.
Function
The climate control unit determines optimum air-conditioning based on the
input signals from each sensor and the control mo ...
Seat Belt
Fastening the Seat Belt
Position the lap belt as low as possible, not on the abdominal area, then adjust
the shoulder belt so that it fits snugly against your body.
Unfastening the Seat Belt
Depress the button on the seat belt buckle.
If the belt does not fully retract, pull it out and che ...
Canister Vent (Cv) Solenoid Valve Inspection
U.S.A. And CANADA
Airflow inspection
1. Disconnect the negative battery cable..
2. Remove the CV solenoid valve..
3. Inspect airflow between the ports under the following conditions.
Measured condition
Continuity between A—B
When volta ...