Vitara JLS (2Dr) 2WD L4-2.0L (2001)
Transmission Position Switch/Sensor: Description and Operation
TRANSMISSION RANGE SENSOR (SWITCH) (A/T ONLY)
This switch (1) is installed on the automatic transmission.
ECM (PCM) detects transmission range by monitoring the ON/OFF signal from this switch and uses it as one of the signals to control the fuel injectors,
IAC valve, ignition timing and automatic transmission.