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Emission Control System
Evaporative Emission (EVAP) Controls (cont'd)
I
P1457
I
(conrd)
-
The MIL has
been
reported on.
-
DTC P1457
is
stored.
IEVAP
purge
control
solenoid
valve test.)-
Check the EVAP purge control
solenoid
valve:
"
Disconnect the
vacuum
hose
from the
EVAP
con,rol canis-
ter
,
and connect a vacuum
pump to the hose.
2.
Conne ct
the ECM/PCM
con
-
nector
terminal A6
to
the body
ground with a jumper wire.
3,
Turn
the
ignition
switch ON
(II).
4.
Apply vacuum to
the hose
.
"-
Does
the
valve
hold
vacuum?
/
YES
Check for
an
open in the wire
(PCS line):
1.
Turn
the ignition switch OFF.
2,
Di
sconnect the EVAP purge
control solenoid valve 2P
con-
nector.
3,
Check
for
continuity between
lhe
EVAP
purge
co
ntrol
solenoid valve
2P
connector
terminal
N
o
,
2
and
body
ground.
"-
Is
there continuity?
/
YES
Check for an open in the wire
(lG1Iine):
1-
Turn
the ignition switch ON (II).
2.
Measure voltage between the
EVAP
bypass
solenoid valve 2P
connector
terminal
No.
1 and
body
ground.
"-
Is
there battery
voltage?
/
NO
Repair open in the wire betw"n
the EVAP purge control solenoid
valve
and
No.
15 ALTERNATOR
SP SENSOR
(7.5
Al fuse.
*:
Continued
f~r
'98
model
11-220
NO
NO
YES
>
'l\'~
UUM
/
\~.~
....
,
----
PUM
P/GAUGE.
0 - 30 in.Hg
X -
041-
XX
i
!
i
.,~~~
~~~
I
I
I
1"--...
~N
EVAP
.
"~
./
CONTROL
~.
•
.•
,-_..
CANISTER
JU
WI
~
EVAP
purge
control solenoid
valve is OK. Do the EVAP bypass
s~.noid
valve test (see page 11-
221)
,
Repair open
in
the
wire between
the EVAP purge control solenoid
valve and the ECM/PCM (AG).
Replace the EVAP purge control
solenoid
valve.
ECM/PCM CONNECTOR A (32PI
J:::;:l=;::PC~S
(REO/YEL)
MPER
RE
3
4
•
6
8
10
14
16 17 18 19
20
21
23
24
26 27
28
29 30
32
Wire side of
female
terminals
EVAP PURGE CONTROL SOLENOIO
VALVE 2P CONNECTOR (C108)
Wire side of
1
female
terminals
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Troubleshooting
