Acura Integra 1998 Service Manual page 258

{From page 11 52)
Chock lor a shon in lhe wi.as
iVCC1. VCC2lin$l:
1. Turn the ignition switch OFF-
2. Disconnect the ECM connec,
tor D (16P).
3. Check lor continuity between
b o d y g r o u n d a n d E C M c o n -
nector terminals D4 and D10
individually.
-
Repair short to body ground
in tho wire between ECM {D4l
and MAP 3enso..
-
Rep.ir short to body ground
i n t h e w i r e b e t w e e n E C M
l D 1 0 l , T P s e n s o r a n d F u e l
tank pa6ssure sanso..
Chock lor an op€n in the wire3
{lGP1.lGP2lines):
1. Turn the ignition switch ON (ll).
2 , M e a s u r e v o l t a g e b e t w e e n
body ground and ECM connec-
torterminals A'11 and A24 indi-
vadually.
-
R 6 p e ; r o p e n i n t h e w i r e { s l
between ECM 1A11, A24l and
PGM-FI main .elay.
-
Check for poor connections
or loose wi.es at the PGM-FI
main relay.
-
Test tho PGM-FI main ral.v
(see page 11-124).
Check for an open in the wires
(LG1, LG2line3l:
1. Reconnect all sensor connec-
tors.
2. Reconnect the ECM connector
D ( 1 6 P ) .
3. Turn the ignition switch ON (ll).
4 - M e a s u r e v o l t a g e b e t w e e n
b o d y g r o u n d a n d E C M c o n
nector terminals A9 and A22
individually.
R e p a i . o p e n i n t h e w i r € l s )
b c t w e e n E C M { A 9 , A 2 2 l . n d
G101 ihet had more then 1.0 V.
ls there lessthan 1.0 V?
Substitute , known-good ECM
and rechock. f symptom/indica-
tion goes away, roplac6 the odgi-
n3l ECM.
Wire side of female terminals
ECM CONNECTOR A I32P)
a,
Wire side of female terminals
LGl
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