Acura 1994 Integra Service Manual page 443

Electrical Troubleshooting
Troubleshooting Flowchart
l s t h e M I L b l i n k i n g ?
f s t h e v o f t a g e 4 . 7 5 5 . 2 5 V ?
P o s s i b l e C a u s e
. D i s c o n n e c t e d l o c k - u p c o n t r o l
s o l e n o a d v a l v e A c o n n e c t o r
. S h o r t o r o p e n i n l o c k - u p c o n t r o l
s o l e n o i d v a l v e A w i r e
. F a u l t y l o c k - u p c o n t r o l s o l e n o i d
N O
Y E S
Repair open or shorl in WHT/
BLK wir€ botwe€n th€ D18 termi-
nal and the ECM.
( - )
| | o " q " " o o o o o o o q litigse.*grq$:,1:d:sd:siia:l " "" o " " o o oo " I
I
r o ' r + r
r z 6 r - t
L---
l
/trtr--
l
l s t h e r e v o l t a g e ?
N O
o o o o o o o o o o o
o o o o o o o o 9 o o
o o o o o o o o o o o o
o o o o o o o o o o o o
A25
T u r n t h e i g n i t i o n s w i t c h O N .
Check whether the Malfunction
Indicator Lamp (MlL) blinks (see
section I 1).
Repair the PGM-FI System (see
section 1 l ).
Turn the ignition switch OFF.
Disconnect the 26P and 22P con-
nectors from the TCM.
Connect the Test Harness "A"
and "D" connectors to the wire
harness only, not to the TCM {see
page 14-49).
Turn the ignition switch ON.
Measure the voltage between the
D 1 8 a n d A 2 5 o r 4 2 6 t e r m i n a l s .
Measure the voltage between the
46 and A25 or A26 terminals-
Repail short to power sourco in
YEL wi.e between the A6 termi-
nal and the lock-up control sole-
noid valve A.
Turn the ignition switch OFF.
To page 14'53
14-52