Honda Prelude 1993 Service Manual page 508

Possibl€ Caus€
. Disconngctod shilt control
solonoid vafu6 A connector
' Short or opon in shift control
solsnoft, valve A wire
' Fauhy thift control sol€noid
Electrical Troubleshooting
Troubleshooting Flowchart (cont'd)
NOTE:
View from terminals'Nls.
14-46
{rslK-l
6\
12-24 A?
BLK/RED ___r_5_ BLU/YEL _
Disconnoct ths 26P connsctor
trom th6 TCM.
Turn th6 ignition switch ON.
Moasure th6 vohag€ b€twson
tho A5 {BLU/YEL} ANd A25
GLK/REo) or A26 (BRII/BLK)
t6rminals.
Roplir ahon to powai loulca
ln BLU/YEL wh. botw.en tho
A5 tordml
ard thc lhlft con-
trol loLnold valvc A.
Turn tho ignition swhch OFF,
M6aure the resistanco b€-
tws6n th€ AS (BLU/YEL) snd
A25 (BLK/RED) or A26 (BRiU
BLK) t6rminals.
Chock fo. loo.. TCM codr.c-
tor!. lf naceaaary, rubltlistc
! known-gpod lolonold vllvo
l r t a m b l y
o r T C M r n d
iechack.
ls tho resistanc6 12-24 Q ?
Disconn€ct th6 3P connoctor
trom the shift control solonoid
valvs assombv.
Chgck for continuity bstw€on
th€ A5 (BLU/YEL} 8Nd A25
(BLK/RED) or A26 (BR|I/BLK)
t6rminals.
Ropllr rhort to g.ound in BLU
/YEL wlro botw€en tho A5 tot-
rnlnll and th6 lhllt
corttol
aolenold vllvo A.
Measur€ th€ resistanc6 of tho
solgnoid at the 3P connsctor
{1+63).
Ch.ck tor opon In BLU/YEL
wlre botwoon the A5 tormlnal
.nd tho rhlfl comrol lolenold
valva A.
fs the r€sistsnce 12-24 Q7
Roolace lho !hlft control
sobnoid valvo a!!€mblY.