Acura 1994 Integra Service Manual page 253

{From pag6 l1-62}
Turn the ignition switch ON.
Messuro voltage b€tw€6n RED/
Y E L ( + ) t e r m i n a l a n d b o d y
ground.
M€asurs voltage between RED/
YEL {+) rerminal and GRN/BLU
{ - I terminal,
ls thore approx. 5 V ?
Rsp.lr op.n in GBt{/
8LU wir bctwo.r ECM
lD22l snd tho IAT
aanaor.
Turn the ignition switch OFF.
ls thero a99rox. 5 V ?
Sub.lhul. a tnown{ood
ECM
lnd rachack. It rymptom/lndlc!-
don gort arv.y, t pl.c. dr! oilgl-
n.l ECM.
Rap.lr opon or rhon In REDfYEL
wh. b.tw..n ECM lDl5l rnd th.
lAf tcrrao.-
ls th€re spprox. 5 V ?
Connsct lhg t€st hamess "D"
connoctor to the ECM only. not to
th6 main wire harness lsse page
1 1 - 3 7 1 .
Turn tho ignition switch ON.
Mgasur€ voltag€ bstwgon D15
( + ) t e r m i n a l a n d D 2 2 l - l
tgrminal.
S0brlitrrt.
. lnown{ood ECM
'|d '.<hoc-l, tl p.slcribad voltlec
ta now lvarlblc, rlplaca tha origi-
nal ECM.
1 1 - 6 3