Honda Civic Service Manual page 554

Emission Control System
Evaporative Emission (EVAPI Controls (cont'dl
1
EVAP CONTROL
CANISTER VENT SHUT
VALVE 2P CONNECTOR IC141}
l l t r t
+
rcl
o) (8LK/YErl
I
temale terminals
Wire side ot
ECM/PCM CONNECTOR A (32PI
VSV ILT GRN/WHT}
'l'
Wiro side of lemale
tgrminals
VACUUM
PUMP/
GAUGE,0 - 30 in.Hg
4973X -
041 - XXXXX
(From page 1l-283)
{To page 1l-285}
Check the vacuum whon cold:
1. Disconnect the vacuum hose
shown from the EVAP control
canrster and connect a vacuum
gauge to the hose,
2. Start the engine and allow it
to idle.
N O T E : E n g i n e c o o l a n t t e m -
perature must be below 154oF
(68'C) or lVC switch OFF.
3. Ouickly raise the engine speed
to 3,000 rpm.
(From page l1-283)
Check for an open in tho wire
(lGl line):
1. Turn the ignition switch OFF.
2. Disconnect the 2P connector
lrom the EVAP control canis-
ter vent shut valve.
3. Turn the ignition switch ON (ll).
4. Measure voltage between the
EVAP controlcanister vent shut
v a l v e 2 P c o n n e c t o r t e r m i n a l
No. 2 and body ground.
Repair open in the wire betwe€n
the EVAP control c.ni3tei vent
shut valve and th6 No. 15 ALTER-
NATOR SP SENSOR 17.5 Al fuse.
Cfisck tor an opon in the wire (VSV
line):
1. Turn the ignition switch OFF.
2. Beconnect the 2P connector
to the EVAP control canister
vent shut valve.
3. Turn the ignition switch ON (ll).
4 . M e a s u r e v o l t a g e b e t w e e n
E C M / P C M c o n n e c t o r t e r m i -
nals A29 and Al0.
Rep.ir open in the wire betwoon
the EVAP control canister vent
shut valve and th€ ECM/PCM
tA29t.
ls there battery voltage?
Replace th6 EVAP control canis-
ter vent 3hut valve.
PGT (BLKI
: l
I
2 3 l ' l t l ' l
l e l s l r o I r I
12
13
t 6
€lnltlr@/lzzl
zs f il
25
11-284