Thomas R. Tasky - Auburn Hills MI Samuel Campbell - Southfield MI James L. Vincent - Troy MI Mark A. Simonich - Highland MI
Assignee:
Chrysler Corporation - Highland Park MI
International Classification:
B60K 2810 B60K 4104
US Classification:
3644241
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.