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Fuel Supply System
PGM-FI Main Relay (cont'd)
(From page
'1-'88)
('98
-
00 models)
._
--
--
--.
- --
-
---
--
--
--
--
--
--
--
------
------.-_._.-
-_._--
--
._-- -_ .----- --
_.
_.-
--
._.-
-_._-,
Check
for
an open in the wire
(FLR line):
1.
T
urn
the
ignition switch
OFF.
2_
Discon
nect
the
ECM/PCM
con-
nector
A (32P)
.
3.
Check for
continuity
between
the
PGM-FI
main relay 7P
con-
nector
terminal
No.1
and
ECM/
PCM
connector
terminal A
16.
NO
"-
Is there continuity?
/'
YES
Check for an open in the wires
IIGPI. IGP2
Ii ....
):
1.
Reco
nnect
the
ECM/PCM
con-
nector
B (25P)
.
2.
Recon
nect the PGM-FI main
relay
connector.
3.
Turn
the
ignition switch
ON
(lI).
4.
Measure
voltage
b etween
ECMJPCM
connector
terminals
Bl
and
B2.
and
between
89
and 82.
NO
Is
there
battery
voltage?
/'
YES
Check for an open in the ECMI
PCM:
1.
Turn the ign ition
switch OFF.
2.
Measure
voltage
between
ECM/PCM
connector
terminals
A 16 and 82 when the
ignition
switch is first turned
ON
(II)
for
two
seconds.
"
NO
Is there
1.0
Vor less?
/'
YES
Check the PGM-FI main reley
(se. page 11-187).
Q
Repair open In the wire between
'he ECM/PCM IAI6) and 'he
PGM-A
main
relay.
PG M·FI MAIN RELAY 7P CONNECTOR IC(32)
-
FUlIGRN/VEl)
ECM/PCM CONNECTOR
AI32P)
~
I
FlR
\l
Wire side
of
female
terminals
ECM/PCM CONNECTOR B 125P)
PGl
IBlK)
17
•
1GP2
BlK)
L....:
'
;:. •
..L.::20::-l
9
10
11
3 4 5
13
2122
23
IYELI
Wire side
of
female terminals
-
Repair open in the wire bet-
ween 'ho ECM/PCM IBI. 69)
and the
PGM-A
main
relay.
-
Replace
the PGM..fI main relay.
ECM/PCM CONNECTORS
A
132P)
FlR
IGRN/YEU
Sub,titute a known-good ECMI
PG1IBlK)
PCM and
recheck.
If
prescribed
voltage
is
now evailabkt. replace
the original
ECM/PCM.
Wire side
of
female
terminals
L _
.
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~
11-190
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Troubleshooting
