Manuals through 2025 now available!

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Link: lemon-manuals.la or lemon-manuals.org.ua

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Park/Neutral Switch-PCM Input

DESCRIPTION
The park/neutral switch is located on the transmission housing and provides an input to the Powertrain Control Module (PCM). This will indicate that the automatic transmission is in Park, Neutral or a drive gear selection.

OPERATION
This input is used to determine idle speed (varying with gear selection), fuel injector pulse width, ignition timing advance and vehicle speed control operation.