Paccar Inc.

Richard Jeffrey Currie

Michael D Gerty

Nick Hertlein

John Bessman

Richard Alan Mauk

A testing device is capable of testing a NOx sensor in an environment that does not have dew point detection capability. The testing device includes a connector configured to be coupled to the NOx sensor, an output indicator, and circuitry. The circuitry is configured to send an unverified dew point signal to the NOx sensor via the connector and receive a sensor signal from the NOx sensor via the connector. The unverified dew point signal includes an indication that a temperature of the environment is at or above the dew point. The sensor signal includes an indication of operation of the NOx sensor in the environment. The circuitry is further configured to determine a status of the NOx sensor based on the received sensor signal and indicate, via the output indicator, the status of the NOx sensor.

Handheld testing device of nitrogen oxide sensor

A system for use in programming and diagnostics of electronic devices ( ) in a vehicle includes a connector jack ( ) having a plurality of electrical connection sites configured for electrical connection to the electronic devices ( ) in the vehicle. A shorting plug ( ) configured to removably engage the connector jack ( ) interconnects the plurality of electrical connection sites to form a data communication bus. An electronics module ( ) configured to removably engage the connector jack ( ) in place of the shorting plug includes a plurality of switching units ( ) that, when set in a closed state, electrically interconnect each of the electronic devices ( ) to form the data communication bus. Each switching unit ( ) in the electronics module ( ) is selectively and independently operable to electrically disconnect an electronic device ( ) from the data communication bus, especially for programming and diagnostics of the electronic devices ( ) in the vehicle.

Growing community of inventors

Mount Vernon, WA, United States of America

Richard Jeffrey Currie