MPV 4WD V6-3.0L SOHC (1990)
Transmission Position Switch/Sensor: Description and Operation
Inhibitor Switch (A/T)
Inhibitor Switch
The Inhibitor Switch (also referred to as neutral safety switch) signals the ECU as to transmission operating range and prevents starting the vehicle
except in "P" or "N" positions.
The ECU utilizes the transmission operating range input from the inhibitor switch in its control calculations for these outputs:
Fuel injection quantity
Pressure regulator solenoid valve
Idle speed control
Purge solenoid valve
A/C cut-off