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 InspectionDRL (Daytime Running Light) Bulb Removal/Installation
1. Disconnect the negative battery cable..
2. Disconnect the connector.
3. Rotate the DRL bulb in the direction of the arrow (1) shown in the figure
and remove it from the front combination light in the direction of the arrow (2)
shown in the figure.
4. Install in the reverse order ...
Seat Warmer System
Purpose
The seat warmer system warms the front seat cushion and front seat back using
the seat warmer unit.
Function
The seat warmer unit warms the seat cushion and seat back by supplying power
to the built-in filaments.
The seat warmer unit can adjust the tempe ...
Catch Tank
Purpose, Function
Suppresses pulsation occurring before evaporative gas is inducted into the
intake manifold.
Construction
The catch tank is installed in the engine compartment.
Operation
When evaporative gas flows from the charcoal canister to the purge sol ...