PCM Manufacturer Identification

Remove the cover (A).

Fig 1: Identifying Cover, Label And PCM (Keihin PCM)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 2: Identifying Cover, Label And PCM (Continental PCM)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check the label (B) on the PCM (C) to determine if the PCM was manufactured by Keihin or Continental.
After checking the label, install the cover.