Purpose/Function
Supplies power to each part.
Supplies battery voltage to each part based on the signals from the PCM even though the ignition is switched on or off.
Construction
Installed to the relay and fuse block.

Operation
After the contact point is on battery voltage is supplied to the coil based on the signals from the PCM.

Fail-safe
Function not equipped.
Main Fuse Removal/Installation
Relay InspectionSeat Track Position Sensor [Two Step Deployment Control System]
Purpose
The seat track position sensor detects the front and back positions of the
driver seat.
Function
The seat track position sensor converts the seat position into an electrical
signal and sends it to the SAS control module.
Construction
The seat track posi ...
Positive Crankcase Ventilation (PCV) Valve
Purpose, Function
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
The PCV valve is open/closed by the intake manifold vacuum.
Construction
The PCV valve is installed to the oil separator.
The PCV valve consists of a spring and valve.
...
Power Seat Switch Removal/Installation
WARNING:
Handling a side air bag improperly can accidentally operate (deploy) the
air bag, which may seriously injure you. Read the service warnings/cautions
in the Workshop Manual before handling the front seat (side air bag integrated)..
1. Switch the ignition off (LOCK).
2. ...