Method of diagnosing a park/neutral switch for vehicular automat

Details Method of diagnosing a park/neutral switch for vehicular automat Method of diagnosing a park/neutral switch for vehicular automat

1994-05-04

1995-08-15

Teska, Kevin J.

Boots, shoes, and leggings

36442403, 36443111, 307139, B60K 2810, B60K 4104

Patent

active

054425506

ABSTRACT:
The status of a Park/Neutral (P/N) switch for an automatic transmission in an automotive vehicle is diagnosed by a method which includes the steps of determining whether an engine of the automotive vehicle is cranking, diagnosing the P/N switch for a P/N state of the automatic transmission when the engine is cranking, and diagnosing the P/N switch for a Drive state of the automatic transmission when the engine is not cranking.

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