CAUTION:
Do not allow clutch fluid to get on a painted surface. Clutch fluid contains properties which can dissolve the paint. If clutch fluid gets on a painted surface, wash it off with water immediately and wipe the area off completely.
1. Verify reserve tank cap is on tight.
2. Pump the clutch pedal a few times.
3. Inspect for the clutch fluid leakage at the points indicated in the figure.

NOTE:
If there is clutch fluid leakage from the piston in the clutch release cylinder, there is clutch fluid in the boot of clutch release cylinder.
If there is clutch fluid leakage, repair or replace the malfunctioning location.
Clutch Fluid Inspection [C66 M R]
Clutch Fluid Replacement/Air Bleeding [C66 M R]Ion Sensor
Purpose/Function
Detects ion generation in the combustion chamber for detecting pre-ignition.
Detects ions which occur due to fuel combustion as current by applying bias
voltage to the spark plug, which is amplified in the ignition coil internal
circuit and input to the PCM.
...
Coil Antenna
Purpose
Sends the ID data programmed to the electronic transmission device (transponder)
in the remote transmitter to the start stop unit.
Function
A magnetic field occurs around the push button start.
Construction, Operation
The coil antenna built into the push b ...
Check Fuel Cap Warning Light
Purpose/Function
The check fuel cap warning light is built into the instrument cluster.
If the PCM detects that the fuel cap is open, the light illuminates to warn
the driver that the fuel cap is open.
Construction
Built into the instrument cluster.(See INSTRUMENT CLUS ...