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Honda Radar Aiming

Feb. 5, 2021

This bulletin applies to Honda vehicles equipped with the millimeter wave radar (2018 Pilot, etc.). Anytime you’re aiming the millimeter wave radar with the i-HDS, be sure you first perform the mechanical vertical aiming with a rectangular bubble level as noted in the aiming procedure. If you don’t follow this, you could wind up with a variety of radar-related issues or even a comeback.

Information courtesy of Mitchell 1,

Mike Mavrigian

If your shop doesn’t have the bubble level (small and easy to lose), you can order one from McMaster-Carr at www.mcmaster.com. It’s listed as a 7/16” square rectangular vial P/N 3338A14. Keep in mind that if you’re aiming the millimeter wave radar on a 2013-2015 Accord or 2014-2015 Accord Hybrid, the procedure calls for the Adaptive Cruise Control (ACC) Sensor Alignment Tool Set (SPX 10243) instead of the rectangular bubble level. If you don’t have this tool set, it’s available from the Honda Tool and Equipment Program.

About the Author

Information courtesy of Mitchell 1

Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

About the Author

Mike Mavrigian | Motor Age Editor

Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.