323 L4-1800cc 1.8L OHC (1991)
Intake Air Temperature Sensor: Description and Operation
The Intake Air Thermosensor is an integral part of the airflow meter. This input signal is used by the ECU in it calculations for these outputs:
^ Fuel injection quantity
^ Idle speed control
^ Purge control solenoid valve
^ Pressure regulator solenoid valve
Normal sensor resistance measurements are:
K OHMS
AIR TEMP.
13.6 - 18.4
-20°C / -4°F
2.21 - 2.69
20°C / 68°F
.493 - .667
60°C / 140°F