Suzuki SY413 Service Manual page 2322

8-56 BODY ELECTRICAL SYSTEM
1. Door lock switch
2. Door lock switch coupler
INSPECTION
Power Door Lock Switch
Inspect switch continuity between terminals.
(2)
LOCK
OFF
UNLOCK
Power Door Lock Controller
1) Disconnect power door lock controller coupler.
2) Connect (+) cord and (–) cord of 12V battery to coupler terminal
(1), (5) and (6) as shown in figure.
3) Disconnect cord from terminal (5) and connect it to terminal (7).
4) Repeat Steps 2) and 3) several times and if relay operation is
heard every time, it means that controller is operating.
(3) (4)