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Home >> Buick >> 1994 >> Roadmaster V8-265 4.3L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Transmission Position Sensor/Switch >> Description and Operation >> Park/Neutral (P/N) Switch
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Park/Neutral (P/N) Switch

Park/Neutral Position Switch.:





PURPOSE
The PARK/NEUTRAL switch indicates to the computer when the transmission is in PARK or NEUTRAL.

OPERATION
This information is used by the computer for Idle Air Control (IAC) operation, EGR operation as well as transmission Torque Converter Clutch (TCC) operation. DO NOT drive the vehicle with the PARK/NEUTRAL switch disconnected, since idle quality may be affected.

LOCATION
The Park/Neutral switch is located on the base of the shifter in the center console.