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Home >> Plymouth >> 1990 >> Colt Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - PFI >> Engine Sensors & Switches >> Intake Air Temperature Sensor
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Intake Air Temperature Sensor

  1. Sensor is incorporated in airflow sensor assembly inside air filter housing. Disconnect airflow sensor connector. See Fig 1 .
    Fig 1: Identifying Airflow Sensor Connector Terminals
    G90E17362Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
  2. On all models, measure resistance between terminals No. 4 and 6 of airflow sensor connector (sensor side of connector).
  3. For specifications, see INTAKE AIR TEMPERATURE SENSOR RESISTANCE  table. Replace airflow sensor assembly if air temperature sensor resistance is not within specification.
INTAKE AIR TEMPERATURE SENSOR RESISTANCE

Temperature °F (°C) Ohms
32 (0) 6000
68 (20) 2700
176 (80) 400
NOTE: Some engines are not equipped with Motor Position Sensor (MPS). MPS may either be a separate unit mounted to throttle body or it may be incorporated in ISC motor assembly, depending upon vehicle application.