Honda Prelude 1993 Service Manual page 501

Possibls C6use
' Disconn6ctod lock-up control
aolono'xt vafu6 B connoctor
. Short or oD6n in bck-uD coft
trolsolenoid vafue B wko
' Fauhy bck-up controlsolonoil
vafue B
Diocomect the 26 P conn6c-
to. f.om the TCM.
Turn th6 ignition switch ON.
Meaaur6 tho vohago b€twoon
th6 A4 {WHT/BLK) and A25
(BLK/RED) or A26 {BRIVSLK)
terminab.
Rapllr ahort to Dowar aolrca
In WHT/BLK wlr.
b.twoon
ths A4 t.rmlnal lnd th. loct.
up control roLnold vrlva B.
Turn tho ignition switch OFF.
M€rsua€ th6 resistanc6 b€-
tweon th€ A4 {WHT/BLK) and
A25 (BLK/REDI or A26 lBFl!
BLKltormingls.
Chad( tor loota TCM connoc-
toaa. ll nacaltary, tubttltuta
r known-good toLnold vllva
. t ! . m b l y o r T C M ! n d
rachack.
ls th€ r€sistance 12-24 Q ?
Disconn€ct th6 ? connector
lrom th€ lock-up cootrol solo-
noid vafue assernbv.
Ch6ck for continuity betw6en
the A4 (WHT/BLKI 8nd A25
(BLK/RED) o. A26 {BRI,I/BLK)
tsrminsb.
Rapalr rhort lo ground In
WHT/BLX wh. brtw.on thr
A4 t.ri| ml rnd lha lock-uo
control aoLnold valva B.
Me63ure tho rosistance of th6
aolonoid at th6 2P connector
t1+6,4.
Ch.ck tor oD.n In WHT/BLK
wlra baiwaon tho A4 tarmlnal
ard th. lock-up control aob"
nold v.lv.8.
ls tho rosbtance 12-24 O ?
R.pbc. th. bck-up control
rcLnold vtlva r'!an|blv.
Vi6w f rom terminal side.
6.\ 12-24 Q7
BRN/BLK-r-Y-WHT/BLK
I V,, Voh.sa?
(cont'd)
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