Fuel Pump Relay; Fuel Cut Operation - Suzuki 2000 Grand Vitara SQ625 Service Manual

Left-hand steering vehicle
2. Fuse box
Right-hand steering vehicle
3. Instrument panel
1
1

FUEL PUMP RELAY

Inspection
1
1) Disconnect negative cable at battery.
2) Remove fuel pump relay (1) from relay box.
3) Structure of fuel pump relay is the same as that of main relay.

FUEL CUT OPERATION

Inspection
NOTE:
Before inspection, check to make sure that gear shift lever is
in Neutral position (with A/T model, selector lever in "P"
range) 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 by using sound scope (1) or
3) Check to make sure that sound to indicate operation of injector
ENGINE AND EMISSION CONTROL SYSTEM (H25 ENGINE) 6E2-43
Check its resistance and operation using the same procedure as
that for main relay.
If malfunction is found, replace.
such, increase engine speed to higher than 3,000 r/min.
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.