Celica L4-96.8 1587cc 1.6L DOHC (4A-FE) (1990)
Intake Air Temperature Sensor: Testing and Inspection
Component Testing
1. Disconnect the connector at the THA.
2. Using an Ohmmeter, measure the resistance across the terminals of the THA.
Testing THA Sensor Resistance
3. Compare the readings with the Ambient Temperature Chart.
Intake Air Temperature Sensor (THA)
4. If not within specified range, replace the Air Temperature Sensor.
5. Reconnect the THA connector.