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Method and arrangement for performing an exhaust gas analysis on motor vehicles having an on-board engine control and diagnostic system

  • US 6,785,605 B2
  • Filed: 02/19/2003
  • Issued: 08/31/2004
  • Est. Priority Date: 08/16/2000
  • Status: Expired due to Fees
First Claim
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1. System for performing an emissions analysis of a motor vehicle, comprising:

  • an on-board engine control and diagnostic system provided in the motor vehicle;

    an emissions testing station provided external to the motor vehicle; and

    an electronic interface between said on-board engine control and diagnostic system and said emissions testing station;

    wherein said emissions testing station comprises a program that generates a plurality of control commands that are relayed to said on-board engine control and diagnostic system via said interface and cause said on-board engine control and diagnostic system to place the motor vehicle in a plurality of mutually distinct operating states.

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