PCM Manufacturer Indication

Remove the auxiliary under-hood fuse/relay box (A) from the stay (B), then remove the bolt (C).

Fig 1: Identifying Auxiliary Under-Hood Fuse/Relay Box, Stay And Bolt
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the bracket (A), then free the A/C discharge line (B) from the clip (C) and remove the A/C suction line mounting bracket bolt (D).
Keihin PCM

Fig 2: Identifying A/C Discharge Line, Bracket And Clip (Keihin PCM)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Continental PCM

Fig 3: Identifying A/C Discharge Line, Bracket And Clip (Continental PCM)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the cover (E).
Check the label (F) on the PCM (G) to determine if the PCM was manufactured by Keihin or Continental.
After checking the label, install the cover.