Acura 1994 Integra Service Manual page 235

(From page 1 1-43)
Inspect the No. 24ACG {ALT) (lG)
( 1 5 A : 8 1 8 8 1 e n g i n e , 2 O A :
818C1 enginel fuse in the under-
dash fuse/relav box.
- R.pllr .hon in BLK|rEL wlr6
batr.v€qr undariair luro/Fby
box lnd FGM-FI m.in .obv.
- noebco lto. 24 ACG {lG) nLT)
(15 A: 81881 ongin., 2OA:
Bl8Cl onein.l tu!6.
ls the fuse OK?
Turn the ignition switch ON.
Disconnect the 3P connector ot
each sensor one al a time:
. MAP sensor
. TP sensor
Rcplaoo thg lgnlor that caur6d
th. llght to Oo out.
Does the MIL remain ON?
Turn the ignition switch OFF.
connect the test harness.
Disconnect the "D" connector
from th€ ECM only, not the main
wire harness (see page 11-37).
Check tor continuity between
body ground and D19, O2O ter-
minals,
- Bapai? rhod ro body g.ound in
YEL/WHT wi.e boiwoon ECM
(Dl9) .nd MAP ..n3or.
- R.p!k shon to body ground in
YEL/BLU wire b.lwo6n ECM
(O2Ol .nd TP 3on!or.
Reconnect all tho sensor con-
necrors,
Reconnect the "D" connector to
rhe ECM.
Turn the ignition switch ON.
{ T o p a g e 1 1 - 4 5 }
System
Control Module (ECMI (cont'dl
PGM-FI
Engine
D t 9
I
I o o o o o o o o o o o o o I o o o o o o o o I o m o o o l o o o o o o o o o o o |
|
I o o o o o o o o o o o o o I o o o o o o o o 1 o ( ' o e ( l o I o o o o o o o o o o o | |
- l
D2O I
\-.J
Continuity?
(From page 11-43)
Disconnect "A"
con-
nector from the ECM.
Subrtltute r knowngood ECM
.nd rochock. ll lymptom/indics-
tlon g@a rw!y, rephco tho origi-
n.l ECM.
ls the MIL ON?
Ropair short to body
giound in GRN/ORN
wir6 botwoon tho ECM
lA131 6nd MlL.
11-44