Honda Prelude 1993 Service Manual page 326

(From page 1 'l-82)
Disconnoct the B connector trom
the ECM only, not the main wire
harngss.
Turn the ignition switch ON.
Block the right front wheel and
slowly rotate left front wheel and
m€asure voltage between 810
( + ) t e r m i n a l a n d A 2 6 ( - )
tefmrnal.
- Reprir 3hort in ORN
wi.e b6twoon ECM
(8101 and tho VSS,
Tianlmission Con-
trol Modulc, spo6d-
omotor, 4WS con-
trol unit, or cruiso
contrcl unit.
- Ropoir opon in ORN
wire b6two6n ECl,
{8101 and VSS.
- lf wlr€ i8 OK. tort th€
VSS {!oo .oction
23t.
Does voltage pulse O V 8nd
12 V lH22A1 engine (USA:
Si VTEC/Canada: SR-V): 5.0
V I ?
Sub.tituto r known{ood
ECM
.nd r.ch.ck.
lf lymptom/indica-
tion goar rway. roplace tho origi-
nal ECM.
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