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Electrical Troubleshooting ('97 Model)
I
L
Troubleshooting Flowchart - Lock-up Control Solenoid Valve A
• OBO II Scan Tool indicates Code
Possible Cause
P1753
.
• Disconnected lock*up control
•
Self-diagnosis
!Q!]
indicator
solenoid valve AlB assembly
light blinks
once.
connector
•
Short or open in lock-up
control
I
solenoid valve A wire
•
Faulty lock-up control solenoid
valve A
Check
and
record
the
freeze
data
in
case
it
is
needed later
for prob-
lem
verification.
If
the
Honda
PGM
Tester
is
available:
---
-
-_.
-
_ _ _
A
_.
_-
_._
-
----
--
-
---
--
-
--'_0
-
--
--'
-
--
'-'-
Perform
the
l
ock-
up
control
solenoid
valve
A test
using
the
Honda
PGM
Tester
.
YES
'-
Did
the
solenoid
pass
the
test?
NO
-_
.
--
-.-.
_._
.
._.
-
_._.
_
._
._.
-
_
.
Check for
a
Short to
Power:
t
.
Turn the ignition
switch
OFF
.
2. Disco
nnect the A
(32P)
and B
(25P) connectors
from
the
peM
.
3.
Turn
the
ignition
switch
ON
(II).
••
Measure
th
e voltage
between
the
85
and
A9 or
A22
termi-
nals.
YES
'-
Is
there
voltage?
/'
NO
Measure lock-up Control Sole-
noid
Valve A
Resistance:
t.
Turn
the
ignition switch OFF.
2.
Mea
su
re
the
resi
s
tance
between the 85
and
A9
or
A22
terminals.
"-
YES
Is the
resistance
12
- 25
U?
/ '
NO
To
page
14-65
The solenoid is OK at this time
.
Verify that all conneetors in the
circuit
are making good contact.
_._
-_._._._._._._-_.
-
-
~
I
~
PCM CONNECTORS
LG11BRNI BLK)
A 132P)
LCA
IYEl)
r---~
~r---~r-----.
B 125P)
=
1
*
' I'
s ,
3 4
!i
8
.
1
"
0
-VI'"
'"
181
11
1213141518
17 18
L:' J L
27
V
22
2425
LG21BRNI BLK)
L -_ _ _ _
~
~}-
____
~
w;
re side of female terminals
Repair short to power in the wire
between the 85 terminal and the
lock-up control solenoid valve
A.
LG11BRN
LCA IYELI
IBLK)
,---~Qr---,r-----'
l'l2
31
.
1
W
9 ,0
"
i
,
2
3 4 5
8
1"0
VI"I"
17 181
92
"'2131415151718
~
V
22
232425
LG21BRN IBLK)
L---------{
Qr---------'
Check for loose terminal fit in the
PCM connectors. If necessary,
substitute a
known-good solenoid
valve assembly
or
PCM
and
recheck.
14-64
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Troubleshooting
