Honda CR-V 1997 Service Manual page 409

(From page 11-206)
I
Check the EVAP purge control
solenoid valve:
1. Disconnect the vacuum hose
from the EVAP control canister.
2. Connect the vacuum pump to
the hose and apply vacuum.
Does it hold vacuum?
"-
NO
I
/'
I
YES
Check the EVAP control canister:
1. Reconnect the vacuum hose to
the EVAP control canister.
2. Connect a vacuum gauge to
the purge air hose.
3. Connect PCM connector ter-
minals A15 and A10 with a
jumper wire.
4. Start the engine.
5. Check the vacuum.
Does vacuum appear on the
NO
I
gauge?
I
YES
Check the EVAP two way valve
(see page 11-224).
Does the EVAP two way valve
NO I
work properly?
I
YES
Substitute a known-good PCM
and recheck. If symptom/indica-
tion goes away, replace the origi-
nal PCM.
EVAPC ONTROL
TER
VACUUM
PUMP/
GAUGE.
0- 30 in.Hg
A973X -
041 -
XXXXX
CANIS
Replace the EVAP purge control
I
solenoid valve.
PCM CONNECTOR A {32PI
_ _ _ _ __ _ _ ---, PGl
{BLKI
11
I
1121
JUMPER
Replace the EVAP control canis-
I
ter.
Replace the EVAP two way valve.
I
2 3 4 5 6
9 10 11
WIRE
151617181920 22 23 24
27
PCS {RED/YELl
Wire side of female terminals
VACUUM/PRESSURE
GAUGE
0-4in.Hg
07JA2 - 00IOOOB
(conl'dl
11-207