Honda Civic Service Manual page 561

I
ECM/PCM CONNECTOR
I
EVAP TWO WAY
VALVE
Wire side of
temale
terminals
FUEL
TANK
(cont'd)
11-291
tn
VACUUM
PUMP/GAUGE,0 - 30 in Hs
A973X - 041 -
xxxxx
(From page l1 290)
Check the EVAP two way valve:
See EVAP two way valve test (see
p a g e 1 1 - 2 9 5 ) .
Roplace the EVAP two way valve
Check the EVAP bypa$ solenoid
1 . R e m o v e t h e f u e l t a n k ( s e e
page 11-242J.
2 . L i I t u p t h e f u e l t a n k w i t h a
transmission iack, and connect
the fuel tank pressure sensor
sub harness 6P connector to
the access panel side connec_
tor,
3. Disconnect the vacuum hose
from the EVAP two way valve
and connect a vacuum PumP
to the hose,
4. Turn the ignition switch ON (ll)
5. Apply vacuum to the hose.
( T o p a g e 1 1 2 9 2 )
(From page 11-290)
Check for an open in the wire
{PCS lin6):
1. Turn the ignition switch OFF
2. Reconnect the 2P connector to
the EVAP purge control sole-
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
EClr/PCM connector terminals
A6 and 82.
Ropair open in the wire between
the EVAP purge Gontrol solenoid
vrlve and th6 ECM/PCM lA6l
ls there battery voltage?
Substitute a known-good ECM/
PCM rnd re{61. lf symptom/indi'
cation goes away, rePlace the
oiiginal ECM/PCM.