Fuel Pressure Normalization; Fuel Pressure Test - Honda CTX700N/ND Service Manual

FUEL
SYSTEM
FUEL PRESSURE NORMALIZATION
1
.
Connect the
fuel pump 3 P ( Black ) connector [ 1 ] .
Connect the battery negative (
-
) cable ( page 21
- 5 ) .
2
. Turn the ignition switch ON and engine stop switch
"
O
"
.
• Do not
start the engine .
The fuel pump will run for about 2 seconds , and fuel
pressure will rise
.
3 . Repeat 2
or 3 times , and check that there is no
leakage in the fuel supply system .
4
. Turn the ignition switch OFF
.
Install the seat (
page 2
- 14 )
.
FUEL PRESSURE TEST
Relieve the fuel pressure ( page 7
-
4 )
.
Disconnect the quick connect fitting from the fuel pump
( page 7
-
8 )
.
Attach the fuel pressure gauge , attachments and
manifold .
TOOLS :
[ 1 ] Fuel pressure gauge , 0
- 100 psi 07406 - 0040004
[ 2 ] Pressure gauge manifold 07 ZAJ - S 5 A
0111
[ 3 ] Hose attachment
, 9
mm /
9
mm 07 ZAJ
-
S 5 A 0120
[ 4 ] Hose attachment
,
8 mm /
9
mm 07 ZAJ - S 7 C 0100
[ 5 ] Attachment joint ,
8 mm /
9 mm
07 ZAJ - S 7 C 0200
U . S . A . TOOLS :
Fuel pressure gauge , 0 - 100 psi 07406 - 004000 B
or
07406 - 004000 C
Pressure manifold hose 07 AMJ
-
HW 3 A 100
Adaptor C , male 07 AAJ
-
S 6
MA 300
Adaptor C , female
07 AAJ - S 6 MA 500
Temporarily connect the battery negative (
- ) cable and fuel pump 3 P ( Black ) connector .
Turn the ignition switch ON and engine stop switch "
O
" .
Start the engine and let it idle
.
Read the fuel pressure
.
STANDARD : 343 kPa ( 3.5 kgf / cm
2
, 50 psi )
If
the fuel pressure is higher than specified , replace the fuel pump assembly
.
If the fuel pressure is lower than specified
,
inspect the following :
-
Pinched or clogged fuel tank breather hose
- Fuel pump unit ( page 7
-
10 )
- Clogged fuel filter ( page 7
-
10 )
After inspection ,
relieve the fuel pressure ( page 7
-
4 ) .
Remove
the fuel pressure gauge , attachment and manifold from the fuel injector .
Connect
the quick connect fitting to
the fuel pump and normalize the fuel pressure ( page 7
-
9 )
.
V
' 7
m
;
HH
1
1
M
:
[ 5 ]
.
0
! fjg
[ 2 ]
[ 3 ]
)
)
)
)
)
7 Ct