Rear Wiper Relay Inspection

Disconnect negative (-) cable from battery.
Remove rear right side inner lower trim (H27 engine model) or rear left side inner lower trim (H25 engine model).
Remove rear wiper relay (1) from vehicle.

Fig 1: Removing Rear Wiper Relay
Courtesy of SUZUKI OF AMERICA CORP.
Check that there is no continuity between terminal "c" and "d". If there is continuity, replace relay.
Check that there is continuity between terminal "c" and "e". If there is no continuity, replace relay.
Connect that there is continuity between terminals "c" and "d" when a 12 V battery is connected to terminals "a" and "b".
If malfunction is found, replace it with a new one.

Fig 2: Checking Rear Wiper Relay

Courtesy of SUZUKI OF AMERICA CORP.