Door Mirror Heater Relay Inspection (If Equipped)

Disconnect negative (-) cable from battery.
Remove door mirror heater relay (included in integration relay) (1) from main fuse box (2).

Fig 1: Identifying Door Mirror Heater Relay & Main Fuse Box
Courtesy of SUZUKI OF AMERICA CORP.
Check that there is no continuity between terminals "a" and "b".
If there is continuity, replace relay.
Check that there is continuity between terminals "a" and "b" when a 12 V battery is connected to terminal "a" and "c".
If malfunction is found, replace integration relay.

Fig 2: Checking If There Is Continuity Between Terminals A & B
Courtesy of SUZUKI OF AMERICA CORP.