Apparatus and method for calibrated testing of a vehicle electrical system
Tester for electronic engine control systems
Diagnostic data recorder
Apparatus for testing auto electronics systems
Serial data bus for intermodule data communications
Method of data arbitration and collision detection in a data bus
Serial data bus for serial communication interface (SCI), serial peripheral interface (SPI) and buffered SPI modes of operation
Method for serial peripheral interface (SPI) in a serial data bus
ApplicationNo. 210673 filed on 03/18/1994
US Classes:701/33, Plural processors or external processor710/105Protocol
ExaminersPrimary: Park, Collin W.
Attorney, Agent or Firm
International ClassG06F 013/00
AbstractAn adapter which permits the use of present diagnostic tools with newer ISO9141 equipped engine and transmission controllers. The adapter facilitates bi-directional communication while conditioning the signals entering and exiting the adapter and allow the diagnostic tools to operate transparent of the adapter's presence.