Summit Vista FWD L4-1795cc 1.8L SOHC (1992)
Intake Air Temperature Sensor: Testing and Inspection
1.
Disconnect the Air-flow Sensor connector.
MPI Relay Circuitry
2.
Connect an ohmmeter to terminals # 5 and # 6 of the sensor connector.
Refer to SPECIFICATIONS/ELECTRICAL.
Heating IAT Sensor
3.
While heating the temperature sensor with a hair dryer, measure the resistance.
As the temperature increases, the resistance should decrease. Refer to SPECIFICATIONS/ELECTRICAL.
