Trooper II L4-2559cc 2.6L SOHC (4ZE1) (1989)
Transmission Speed Sensor: Testing and Inspection
NO. 2 SPEED SENSOR INSPECTION
1) Remove No. 2 speed sensor.
2) Connect an ohmmeter between the terminals.
3) Bring a magnet close to then away from the sensor tip and check that the meter needle deflects from 0 Ohms to infinity Ohms.