Honda Prelude 1993 Service Manual page 518

Electrical Troubleshooting
Troubleshooting Flowchart {cont'd)
I or I tndicator llght do.t not
6-m.
oo with the lgnition
3vYttch ON. lh thouH c!m. on
lor gbout 2 aocond!.)
Ch.ck lo. bot. TCM connac_
tola, lf nacoraary, aubllltut.
r
known-good TCM lnd
Echrck,
Does tne @
indicator lhhl
Turn the ignition switch OFF
Disconngct the 26P connector
{rom the TCM.
c o n n e c t t h 6 T € s t H a r n 6 s s
"A" connector to tho wire
harnsss only, not to the TCM
(1+35).
Check for continuity b€tweon
rhe A25 lorminal and bodY
ground and 426 and body
ground.
R.Drl, opon BLK/RED o. BR /
BLK wirc. b.tw.!n
A25 ot A
20 t.rrnln.lt .nd G I 01 .
Turn tho ignition switch ON.
Measure the vohage betw€on
th€ A23 or A24 and A25 or A
26 t€rmlnals.
R.prlr opon o. lhon In BLK/
YEL wlr. botwoon tho A23
andloJ A24 taamlnala and
undo?-hood f uaa/r.ltY box.
ls thers batterY vohag€?
Cor ollty?
[P
oattc,v vatecr
A23 A25
YES
Turn the ignition switch OFF.
To psge 1+57
14-56