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Manual A/C-Heater System: Testing: Relays

Remove relay. With battery voltage applied across terminals No. 3 and 4, there should be continuity between terminals No. 1 and 2. With power disconnected, there should be no continuity. See Fig 1 . Replace relay if it does not test as specified.

Fig 1: Identifying Relay Terminals
G98J04451Courtesy of AMERICAN HONDA MOTOR CO., INC.