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GEN
INFO
FEATURES
Coolant temperature sensor
The signals from the coolant temperature sensor are used primarily for making fuel volume compen-
sations during starting and warm-up. The coolant temperature sensor converts the temperature of
the coolant into electrical signals and sends them to the ECU.
This sensor uses a semi-conductor thermistor that has a large resistance at low temperatures and a
small resistance at high temperatures. The thermistor converts the temperature-dependent changes
in resistance into electrical resistance values, which are then input into the ECU.
1
Connector
2
Terminal
3
Tube
4
Thermistor
5
Holder
È
Resistance k
Ω
É
Temperature °C (°F)
Intake temperature sensor
The intake temperature sensor corrects the deviation of the air-fuel mixture that is associated with
the changes in the intake air density, which are created by the changes in the intake air temperature
that occur due to atmospheric temperatures. This sensor uses a semi-conductor thermistor that has
a large resistance at low temperatures and a small resistance at high temperatures. The thermistor
converts the temperature-dependent changes in resistance into electrical resistance values, which
are then input into the ECU.
1
Connector
2
Terminal
3
Tube
4
Thermistor
5
Holder
È
Resistance k
Ω
É
Temperature °C (°F)