Purpose, Function
Controls the fuel pump on/off according to control signals from the PCM.
The fuel pump is operated only at engine start or when the engine is running to improve safety.
Construction
The fuel pump relay is installed in the relay and fuse block.

Operation
The contact point is on when the battery voltage is supplied to the coil based on the signal from the PCM, and the battery voltage is supplied to the fuel pump control module.

For the fuel pump control, refer to CONTROL SYSTEM..
Fail-safe
Function not equipped.
Fuel Pressure Sensor
Fuel Tank Pressure Sensor InspectionPurge Solenoid Valve
Purpose, Function
Introduces evaporative gas absorbed by the charcoal canister to the intake
manifold.
The purge solenoid valve opens according to the control signal from the PCM.
Construction
The purge solenoid valve is installed in the engine compartment.
...
Passenger Compartment Temperature Sensor [Full Auto Air Conditioner]
Purpose
The passenger compartment temperature sensor detects the cabin temperature.
Function
The passenger compartment temperature sensor converts the detected temperature
to an electric signal.
Construction
A thermistor-type passenger compartment temperature sens ...
Flywheel Inspection [C66 M R]
1. Remove the flywheel..
2. Perform the following procedures to inspect the flywheel.
If there is any malfunction or it exceeds the maximum specification, replace
the flywheel..
a. Inspect the surface that contacts the clutch disc for scratches, nicks, and
discoloration.
...