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 InspectionAudio Amplifier Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Front scuff plate (RH).
b. Front side trim (RH).
3. Remove the bolts.
4. Lift up the audio amplifier in the direction of the arrow (1) shown in the
figure, pull it in the direction of the arrow (2) shown in ...
Fuel Gauge Sender Unit Inspection [Awd]
Fuel gauge sender unit (main)
NOTE:
For the fuel gauge sender unit removal/installation, refer to the fuel pump
removal/installation because the fuel gauge sender unit is integrated with the
fuel pump..
1. Verify that the resistance at fuel gauge sender unit (main) terminals D a ...
Power Window Regulator
Purpose
The power window regulator moves the carrier plate up and down to open/close
the door glass using the rotation force transmitted from the power window motor.
Function
The power window regulator transmits the rotation force from the power window
motor to the inner wi ...