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 InspectionDSC Related Parts Sensor Initialization Procedure
WARNING:
If the initialization procedure is not completed, the DSC will not operate
properly and it might cause an unexpected accident. Therefore, after replacing
or removing the DSC HU/CM or SAS control module, make sure to perform the initialization
procedure to insure proper DSC ...
Shift Lock System Inspection
Shift-Lock System Inspection
1. Switch the ignition ON (engine off).
2. Shift the selector lever to the P position.
3. Verify that the selector lever cannot be shifted from P to R position when
the brake pedal is released.
If it can be verified, go to the next step.
If not as ...
Wiper/Washer System
Outline
The following wiper/washer system has been adopted.
Windshield wiper system
Rear wiper system
Auto wiper system (with auto wiper system)
Washer fluid-level sensor (with washer fluid-level sensor)
Specification
Windshiel ...