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Troubleshooting
Compressor
(cont'
d)
From page 22-34
Check f or
an op
en in
t
he wire:
1. Discon
nect
the ju
m
per
wire.
2.
Turn the ignition
switch
ON
(II).
3.
Measure t
he voltage
between
the
No.
4 terminal of the com-
pressor
clutch
relay 4P socket
and
body
ground.
"-
Is there battery voltage?
./
YES
Check for an open in t
he
wire:
1. Turn
the ignition switch OFF.
then
rei
nstall the compressor
clutch relay.
2.
Make sure t he
Ale
switc
h
is
OF F,
then t
u
rn the ig
ni
tio
n
switch
ON (II).
3.
Using
a
*
Backprobe
Set
(TIN
07SAZ
-
001000Al, measure
the voltage between the No.
n
termina
l
of the
PC
M/ECM
con
nector
A
(32P)
and body
ground
with
t
he PCM /ECM
connectors conne<:ted.
Is
there battery
voltage?
./
YES
Ch
eck fo
r l
o ose wi
r
es
o
r
poor
co
nne
ctio
n
.
at
t he
PCM/ECM
connector
A
132P). If the
connec~
tl
on
s
ar
e
g
oo
d
,
s
ub
stitute
a
kn
o
w
n·goo
d
PC
M/ECM
,
and
recheck.
If
the
symptom/indica
~
tion go
••
away,
replace the
origi
~
n81
PCM/ECM.
22-36
NO
Repair
open In
the
wire between
the No.
17
fuse
and
the compres-
sor
cl utch
reilY.
'97 model:
I
1
112
'98
-
00
models:
l
NO
Repair open In
the
w
ire
betw
..
n
t
he compressor clut
ch
r ..
ay and
the
PCM
/
ECM.
~
How
to use the Backprobe
Sets
Connect
t
he
back probe
adapters
to the
stacki
n
COMPRESSOR CLUTCH
RELAY
4PSOCKET
PCM CONNECTOR A
1 32PI
2 3 4 5
6
9
10
15 16 17
18
19 20
22
23
27
I
"'
B =-"
l"-
K
-'
/R
'=
E-='O'-J
r
Wire side of female termina ls
PCM
/
ECM CONNECTOR A
132PI
3 4
5 6
8
10
11
24
14
161718192 21
23
24
262
8 930
BlK/REO
V
32
Wi
re
side
of
f
emale
term
inals
9
patch
cords, and
connect the cords
to a
m
ulti·
or t he contoured ti
p
of the backprobe
adapter,
wire side until
it comes in contact
with
the
ter·
meter. Using t
he wire
insulation as
a
guide
f
gently slide the
tip
into
the
connector
from the
minal
end of
the wire
(see section
11
J.
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Table of Contents
Troubleshooting
