Speed Sensor
WARNING: This page is about a different car, the 2003 Isuzu Rodeo Sport, 2003 Isuzu Rodeo, 2002 Isuzu Rodeo Sport, and 2002 Isuzu Rodeo. However, it is still accessible from the selected car via links, so may be relevant.
Revolutions of the rear output shaft are decreased and taken out by the speed/drive/driven gears installed in the transfer case and the number of revolutions is detected with a speed sensor.
About 4/3 pulses per revolution of the shaft is output.