Honda Civic Service Manual page 555

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(From page 11-284)
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(cont'd)
11-285
EVAP PURGE CONTROL SOI.INOID
VALVE 2P CONNECTOR IC114I
Wire side ot
female
terminals
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EL,TW
YEL)
Check the EVAP pirrge control
solenoid valvei
1. Disconnect the 2P connector
lrom the EVAP purge control
solenoid valve.
2. Ouickly raise the engine speed
to 3,000 rpm.
ls there vacuum?
InsDect vacuum ho56 routing.
ll OK, replace the EVAP Purge
control solenoid valve.
Chock for a short in the wire
(PCS linel:
1. Turn the ignition switch OFF
2. Disconnect ECM/PCM connec'
tor A (32Pi.
3. Check for continuity between
the EVAP PUrge control sole
noid valve 2P connector termi
nal No.2 and body ground.
Check the vacuum when hot:
1. Turn the ignition switch OFF
2. Block the rear wheels and set
the parking brake.
3. Jack up the front o{ the vehi-
cle and support it with safety
stands,
4 . S t a r t t h e e n g i n e . H o l d t h e
engine al 3,000 rpm wlth no
load (in Park or neutral) until
the radiator fan comes on, then
let it idle.
5, Check for vacuum at the vac-
uum hose with transmissaon
i n g e a r ( A / T i n B P o s i t i o n ,
M/T in lst gear) after starting
the engrne.
6. Ouickly raise the engine speed
to 3,000 rpm.
Reoair short in the wire botween
the EVAP purg€ cor|t]ol solenoid
valve and the ECM/pcM lA15l.
ls there continuity?
Substitute
a known-good
ECM/
P C M a n d r e c h e c k . l f s Y m P t o m /
indication goes eway. repl.c€ the
original ECM/PCM.
Check the EVAP Purg€ control
solenoid valve:
1. Turn the ignition switch OFF
2. Disconnect the 2P connector
from the EVAP Purge control
s o l e n o i d v a l v e a n d w a r m l t
up to normal operating tem_
perature again if necessary
3. Stan the engine.
4. At the harness side, measure
v o l t a g e b e t w e e n t h e E V A P
Purge control solenoid valve
2P connector terminal No. 1
and No. 2 with the transmis
sion in gear (A,/T in E Posi-
tion, M/T in 1st gear).
In3pect vacuum ho3€ touting.
ll OK, replace EVAP Purge con-
lrol aolenoid vtlv€.
Check lo. an open in the wire
llGl linel:
At the harness side, measure volt
age between the EVAP Purge con-
trol solenoid valve 2P connector
terminal No. 1 and body ground
Repeir open in tho wire between
EVAP purge conttol solenoid valv€
and the No. 15 ALTERNATOR SP
SENSOR (7.5 A fu3e
IBLK/YELI
l T o p a g e 1 1 2 8 6 i
(To page 11-286)