Celica L4-122 1998cc 2.0L DOHC Turbo (3S-GTE) (1990)
Air Flow Meter/Sensor: Testing and Inspection
1. Disconnect Air Flow Meter connector.
2. Using an Ohmmeter, measure the resistance between each terminal. (Refer to chart)
Testing Air Flow Meter Resistance
Air Flow Meter Resistance Chart
3. If the readings are not as specified, replace the Air Flow Meter.
4. If readings are normal, remove the Air Flow Meter.
Removing Air Flow Meter
5. Using an Ohmmeter, measure the resistance between the terminals while moving the flap (measuring plate).