Suzuki Wagon R Manual page 3203

6E2-26 ENGINE AND EMISSION CONTROL SYSTEM (M13 ENGINE)
Fuel injector inspection
WARNING:
As fuel is injected in this inspection, perform in a well
ventilated area and away from open flames.
Use special care to prevent sparking when connecting
and disconnecting test lead to and from battery.
1) Install injector to special tool (injector checking tool).
Special tool
(A): 09912-58421
(B): 09912-57610
2) Connect special tools (hose and attachment) to fuel feed
pipe (1) of vehicle.
3) Connect special tool (test lead) to injector.
Special tool
(C): 09930-88530
4) Install suitable vinyl tube onto injector nozzle to prevent fuel
from splashing out when injecting.
5) Put graduated cylinder under injector.