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From page' 4-68
1
Measure ATP 04 Voltage:
L
Shift
to
all positions other
than
~
.
2.
Measure the
voltage
between
the 824 and A9 or A22 termi
-
nals.
"-
NO
Is there
approx.
5 V?
/ '
YES
Measure ATP 03 Voltage:
1.
Shift
to aU
positions other
than
~
.
2.
Measure
the
voltage between
the 88 and A9
or
A22
te
rmi
·
nals.
NO
Is there battery
voltage?
"-
/
YES
Measure ATP 2 Voltage:
L
Shift
to
all
positions other than
m
2.
Measure the voltage between
the 817 and
A9 or
A22
termi
-
nals.
NO
Is
there
battery voltage?
/
YES
Measure ATP 1 Voltage:
1.
Shift
to all positions
other
than
III.
2.
Measure the
voltage between
the
818 terminal and
A9 or
A22
terminal
s.
NO
"-
Is
there battery Voltage?
/ '
YES
Check for
loose
terminal fit in the
PCM
connectors.
If necessary.
substitute a known -good PCM
and recheck.
PCM CONNECTORS
V)-_ _ _ _ _
----,
~""--;h
'12
:;
:J!
~'1
,
rs
··-ep
:,
910
iii
6j~7:
' 8
.
}
"~22~2~i
24
1
1112 13" 15
" 17 18
m
v
;·,
I
lv,
bJ
~22
,,.,,,,
.. .
lG2
Check for short In the wire
between the 824 terminal and the
A/T gear position indicator. or a
short in the wires between the
A/T gear position indicator and
the A/T gear position switch
.
If
wires are
OK.
check for loose ter-
minal fit in the PCM
connectors.
If
necessary. substitute a known-
good PCM and recheck.
:
1
'
2 3
~
-
)
",ffy;
Check for short in the wire
between the B8 terminal and the
A/T gear position switch or A/T
gear position
indicator.
If wire i,
OK. check for loose terminal fit in
the PCM
connectors.
If
neces-
sary, substitute a known-good
PCM and recheck.
[Ill!:
•
.
12
IS
16
27
Check for short
In
the wire
between the 817 terminal and the
A/T gear position
switch
or A/T
gear position indicator. If wire is
OK, check for loose terminal fit in
the PCM
connectors.
If
necessary.
substitute a known-good PCM
and
recheck.
i'
2T'i'l
IBRN/BlK) L.
-
- -
--1
':{
ATP 04 IYEL)
Wire
side of
female terminals
ATP 03IPNK)
:
1
-
23 24 25
B 125P)
~----i
':{~---~
lG2 IBRN/BlK)
lG1 IBRN/BlK)
,
V
r-_
_
A_TP
_
2
_
I
_
B
_
lU,)
~----i
':{
~---~
lG2 IBRN/BlK)
lG1 IBRN/BlK)
ATP 1 IBRN)
~V~:
J
Check for short
In
the wire
between the 818 terminal and
the A/T gear position switch or
A/T gear position
indicator.
If
wire is OK. check for loose
termi-
nal fit In the PCM connectors. If
ne&H'ary. substitute
II
known·
good PCM and
recheck.
~~---i':{~---~
lG2
(BAN/BLK)
14-69
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Table of Contents
Troubleshooting
