Purpose, Function
Supplies power to the PCM for the fuel injector and spill valve control solenoid valve operation.
Construction
The fuel injector relay is installed in the relay and fuse block.

Operation
When the ignition is switched ON, the battery voltage is supplied to the coil and the contact point is on, thus the battery voltage is supplied to the PCM.

Fail-safe
Function not equipped.
Fuel Injector Inspection
Fuel Injector Removal/InstallationAir Bag Module And Pre Tensioner Seat Belt Deployment Procedures [Standard Deployment
Control System]
WARNING:
A live (undeployed) air bag module or pre-tensioner seat belt may accidentally
operate (deploy) when it is disposed of and cause serious injury. Do not dispose
of a live (undeployed) air bag module or pre-tensioner seat belt. If the SSTs
(Deployment tool and Adapter harness ...
Differential Oil Temperature Sensor
Purpose, Function
The differential oil temperature sensor detects the rear differential oil
temperature based on the resistance of the thermistor, and inputs it to the
AWD CM.
Construction
The differential oil temperature sensor is installed in the rear differential
carr ...
Powertrain System [C66 M R]
Purpose, Function
The powertrain mechanism changes the gear combination by engaging or releasing
the clutch hub and gear, and changes the power transmission route. Because of
the change in the power transmission route, the drive force (speed, torque,
rotation direction) input from th ...