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EVAP System
l o .
1 7 .
DTC Troubleshooting {cont'd)
ls therc continuity?
YES- Go to step 16.
NO-Replace the EVAP bypass solenoid valve (A)
a n d o - r i n g s ( B ) . 1
Disconnect ECM connector A (32P).
Check for continuity between EVAP bypass
solenoid valve 2P connector terminal No. 2 and
body ground.
EVAP BYPASS SOLENOIO
VALVE 2P CONNECTOR
Wire side of female t€rminals
Is there continuity?
YES Repair the short in the wire between the
EVAP bypass solenoid valve and the ECM (A,3). t
NO Substitute a known-good ECM and recheck
(see page 1 1-5). lf the symptom/indication goes
away, replace the original ECM.I
11-142
1 9 .
EVAP Canister Vent Shut Valve Test
18. Disconnect the vacuum hose from the EVAP
canister vent filter, and connect a vacuum pumo to
the hose.
4973X-041-XX)
Connect ECM connector terminal 44 to bodv
g r o u n d w i t h a j u m p e r w i r e .
ECM CONNECTOR A I32PI
{LT GRN/WHT)
2
3
6
9
10
12
13
15
/ 117
IE
1 9
m
21
24
26
n
a
29
i2
JUMPER WIRE
Wire side of female terminals
T u r n t h e i g n i t i o n s w i t c h O N ( l l )
Apply vacuum to the hose.
Does the valve hold vacuum?
YES The EVAP canister vent shut valve is OK. Go
to step 27.
NO Go to step 22.
Turn the ignition switch OFF.
Disconnect the EVAP canister vent shut valve 2P
connector.
20.
22.
23.
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Table of Contents
Troubleshooting
