# US 2017/0285084 A1 · Device, system and method for wirelessly testing trailer brake control unit > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0285084 A1 - Document ID: US20170285084A1 - Status: Published application - Kind: A1 - Application number: 15/086,661 - Filed: 2016-03-31 - Published: 2017-10-05 - Earliest claimed: 2016-03-31 - Assignees: Nissan North America, Inc. - Applicants: Nissan North America, Inc. - Inventors: Steven R. JOHNSON - Web page: https://patentgrep.com/patent/US20170285084A1 ## CPC - G01R 31/007: {using microprocessors or computers} - G07C 5/0808: {Diagnosing performance data (testing of vehicles G01M17/00; testing of electrical installation on vehicles G01R31/005)} - G07C 5/0825: {using optical means} - G07C 2205/02: using a vehicle scan tool - G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12) - G07C: TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE ## Abstract A wireless testing device includes a trailer connector portion including a plurality of inputs; a communication device; a plurality of loads each connected to one of the plurality of inputs; and a control device. The plurality of inputs is configured to connect to a plurality of circuits in a vehicle. The control device is configured to determine the operability of each of the plurality of circuits in the vehicle when the trailer connector portion is connected to the vehicle by applying each of the plurality of loads to one of the plurality of inputs. ## Claims ### Claim 1 A wireless testing device comprising: a trailer connector portion comprising a plurality of inputs configured to connect to a plurality of circuits in a vehicle; a communication device; a plurality of loads each connected to one of the plurality of inputs; and a control device configured to determine the operability of each of the plurality of circuits in the vehicle when the trailer connector portion is connected to the vehicle by applying each of the plurality of loads to one of the plurality of inputs. ### Claim 2 (depends on 1) The wireless testing device according to claim 1, wherein the communication device is configured to communicate wirelessly with a tester connected to an on-board diagnostic system of the vehicle. ### Claim 3 (depends on 1) The wireless testing device according to claim 1, wherein each of the plurality of loads is a switch controlled load. ### Claim 4 (depends on 1) The wireless testing device according to claim 1, wherein the control device is a microprocessor. ### Claim 5 (depends on 4) The wireless testing device according to claim 4, wherein the communication device is configured to communicate wirelessly with a tester connected to an on-board diagnostic system of the vehicle, and the microprocessor is configured to apply each of the plurality of loads connected to one of the plurality of inputs based on a command received from the tester. ### Claim 6 (depends on 1) The wireless testing device according to claim 1, wherein the wireless testing device has an input voltage ranging from about 5.0 Vdc to about 18.0 Vdc. ### Claim 7 (depends on 1) The wireless testing device according to claim 1, wherein the plurality of inputs includes an electric brake input and the load connected to the electric brake input is a 3.75 ohm load. ### Claim 8 (depends on 1) The wireless testing device according to claim 1, comprising at least two lights. ### Claim 9 A wireless trailer testing system for a vehicle comprising: a tester configured to connect to an on-board diagnostic system of the vehicle; and a wireless testing device comprising: a trailer connector portion comprising a plurality of inputs configured to connect to a plurality of circuits in the vehicle; a communication device configured to communicate wirelessly with the tester; a plurality of loads each connected to one of the plurality of inputs; and a control device configured to determine the operability of each of the plurality of circuits in the vehicle when the trailer connector portion is connected to the vehicle by applying each of the plurality of loads to one of the plurality of inputs, the control device configured to apply each of the plurality of loads connected to one of the plurality of inputs based on a command received from the tester. ### Claim 10 (depends on 9) The wireless trailer testing system according to claim 9, wherein each of the plurality of loads is a switch controlled load. ### Claim 11 (depends on 9) The wireless trailer testing system according to claim 9, comprising a microprocessor, wherein the microprocessor is configured to apply each of the plurality of loads to one of the plurality of inputs based on the command received from the tester. ### Claim 12 (depends on 9) The wireless trailer testing system according to claim 9, wherein the wireless testing device comprises at least two lights. ### Claim 13 (depends on 9) The wireless trailer testing system according to claim 9, wherein the tester comprises a portable test unit and a wireless interface tool. ### Claim 14 (depends on 13) The wireless trailer testing system according to claim 13, wherein the wireless interface tool includes a graphical user interface. ### Claim 15 A method for testing a trailer brake control unit of a vehicle, the method comprising: connecting a wireless testing device to a plurality of circuits in the vehicle, the wireless testing device comprising: a trailer connector portion comprising a plurality of inputs configured to connect to a plurality of circuits in the vehicle; a communication device configured to communicate wirelessly with a tester; a plurality of loads each connected to one of the plurality of inputs; and a control device configured to determine the operability of each of the plurality of circuits in the vehicle when the trailer connector portion is connected to the vehicle by applying each of the plurality of loads to one of the plurality of inputs; connecting the tester to an on-board diagnostic system of the vehicle; determining the operability of each of the plurality of circuits in the vehicle when the trailer connector portion is connected to the vehicle based on instructions from the tester, the control device configured to apply each of the plurality of loads connected to one of the plurality of inputs based on a command received from the tester. ### Claim 16 (depends on 15) The method according to claim 15, wherein each of the plurality of loads is a switch controlled load. ### Claim 17 (depends on 15) The method according to claim 15, wherein the wireless testing device comprises at least two lights. ### Claim 18 (depends on 15) The method according to claim 15, wherein the tester comprises a portable test unit and a wireless interface tool. ### Claim 19 (depends on 18) The method according to claim 18, wherein the wireless interface tool includes a graphical user interface. ### Claim 20 (depends on 18) The method according to claim 18, wherein the tester is a tablet.