Suzuki GA413 Service Manual page 925

ENGINE AND EMISSION CONTROL SYSTEM 6E-33
MAIN RELAY, FUEL PUMP RELAY AND RADIATOR
FAN CONTROL RELAY
INSPECTION
1) Disconnect negative cable at battery.
2) Remove main relay (3), fuel pump relay (2) and radiator fan con-
trol relay (4) from main fuse box (1).
3) Check that there is no continuity between terminal "A" and "B".
If there is continuity, replace relay.
4) Connect battery positive (+) terminal to terminal "C" of relay.
Connect battery negative (–) terminal "D" of relay.
Check continuity between terminal "A" and "B".
If there is no continuity when relay is connected to the battery,
replace relay.
FUEL CUT OPERATION
INSPECTION
NOTE:
Before inspection, check to make sure that gear shift lever is
in neutral position, A/C is OFF and that parking brake lever is
pulled all the way up.
1) Warm up engine to normal operating temperature.
2) While listening to sound of injector (1) by using sound scope (2)
or such, increase engine speed to higher than 3,000 r/min.
3) Check to make sure that sound to indicate operation of injector
stops when throttle valve is closed instantly and it is heard again
when engine speed is reduced to less than about 2,000 r/min.
FUEL LEVEL SENSOR (GAUGE)
INSPECTION
Refer to Section 8.
REMOVAL/INSTALLATION
Refer to Section 6C.