Mazda 121 - Fuel Pump Inspection

FUEL SYSTEiI
F
lnstallation Note
1. Push the ends of the main
fuel hose, fuel return hose, and
evaporative
hoses onto the
fuel
tank
fittings ai least 25mm
(r.0
in).
2.
Push thefuelfiller hose onto the tueltank
pipeand
tiller
pipe
al least 35mm
(1.4
In).
FUEL PUMP
Inspection
ltlaximum
pressure
Warnlng
.
Setore
performing
the
lollowlng operalion,
release
the tuel
prcssu|e
lrom the
fuel system to
r€duce
the
po$lbllily
ol Inlury or
lire.
(Reter
lo
page
F-{8.}
.
When inspecting luel system
palts,
keep sparks,
cigarettes,
and open tlames away
from the fuel,
'1.
Disconnect the negative baftery
cable.
2. Connect a fuel
pressure gauge
to the luel main
pipe
and
plug
the outlet of the fuel
pressure gauge
as shown.
(lnstall
clamos as shown.)
3. Connect
the negative battery cable.
4.
Connect
diagnosis connector terminals
F/P and GND with
a
lumper
wre.
5.
Turn
the
ignition switch ON tor l0 sec.
to operate the luel
pump
and
measure the fuel
pressure.
Fuel
pressure:
491-658 kPa
(5.0-6.5
kg/cm',
7l.l-92.4
p6i)
6.
Turn
he
ignition switch OFF and disconnect
ttte
jumper
wire.
7.
lf not
as
specified, replace the
fuel
pump.
Conlinully
1. Remove the rear seal cushion.
2. Disconnect the fuel
oumD
connector.
3. Check lor continuity between
the terminals
@
and
@
of
the connector at the
fuel
pump
shown
in
the
figure.
4. lf there is no continuity, replace
the fuel
pump.
(Refer
to
page
F-92.)
FUEL PUMP COVER
REAN
SEAT CIJSHION
22--.30
12.2-3,
1, 1G-2'
Nfl
(Gks,
n.D)
|
CONNECTOB
F-91