Relay Test

Check continuity between relay terminals "C" and "D". Continuity should exist. Check continuity between relay terminals "A" and "B". See Fig 1. Continuity should not exist. Apply battery voltage across terminals "C" and "D". Continuity should exist between terminals "A" and "B". If continuity is not as indicated, replace relay.

Fig 1: Identifying Relay Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.