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EVAP purge control solenoid
valvet"t.
IThe
continuation
of DTC P1456
troubleshooting.'
Check
the
EVAP purge control
solenoid valve:
1.
Disconnect the vacuum hose
from
the
EVAP
control canis-
ter, and connect
a
vacuum
pump
to the hose.
2.
Turn the
ignition switch ON (Ill.
3.
Apply
vacuum to the
hose.
"-
Does ehe
valve hold vacuum?
/'
NO
Check the EVAP purge control
solenoid valve:
1.
Turn the
ignition switch OFF.
2.
Di
sconnect
the
EVAP
purge
control solenoid valve
2P
con-
nector.
3.
Check for continuity between
the
EVAP
purge control
solenoid valve
2P
connector
terminal No
.2
and
body
ground.
Is
there continuity?
"-
/'
YES
Check for
8
short in the wire
(PCS line):
1.
Disconnect the
ECM
/
PCM
connector
A
(32P).
2.
Check for continuity
between
the
EVAP
purge
control
solenoid
valve
2P connector
terminal No
.
2
and
body
ground
.
Is there
continuity?
"-
NO
Substitute a known-good ECMI
PCM and recheek
.
If
symptoml
indication goes
away.
replace
the orlgln81 ECM/PCM.
YES
NO
I
YES
i'h
r
~
VACUUM
9F.-U:---"
PUMP/GAUGE, 0 - 30 in .Hg
~
/I"
A973X-041-
xxxxx
I
. /
~
--,
~
~EVAP
•
CONTROL
CANISTER
EVAP purge control solenoid
valve is
OK.
Do the EVAP bypns
solenoid
valve test
(see
page 11-
21S)
Reptace tha EVAP purge control
solenoid
valve.
Repair short in the wire between
the
ECM/PCM lAS) and
the
EVAP
purge control solenoid valve.
EVAP PURGE CONTROL SOLENOID
VALVE 2P CONNECTOR IC10S)
Wire
side
of
female
terminals
PCS
(cont'd)
11-215
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Troubleshooting
