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 InspectionSeat Belt Warning Alarm
Purpose
The seat belt warning alarm warns occupants that a seat belt is not fastened.
Function
The instrument cluster sounds the seat belt warning alarm based on the following
CAN signals:
Vehicle speed signal sent from PCM
Driver/passenger buckle switc ...
Steering Angle Sensor Inspection
1. Remove the column cover..
2. Connect the plus (+) end of a tester to steering angle sensor terminal A and
the minus (-) end of the tester to terminal B (GND).
3. Switch the ignition ON (engine off or on).
4. Turn the steering wheel to the left and right.
5. Verify that the voltage f ...
Air Cleaner Element Inspection
1. Remove the air cleaner element..
2. Inspect the following items:
Has the replacement interval past?
Is the air cleaner element soiled, damaged, or bent?
Are the air cleaner case and the air cleaner element correctly sealed?
Is the correct air cleaner element inst ...