Acura Integra 1998 Service Manual page 1161

Gharging System
Troubleshooting
Ahcrn.tor Control Swtom T.rt (USA)
NOTE: Betore testing, check proper operation of the ELD by confirming with the MIL (s€e section 11).
CAUTION: Ba 3urc to ut! | vollmatal
with hr plu! tarmlnal connactad to bat-
tary plua and ita mlnua talmlnal to lha
4P connactor tarrninal No. 2.
ALTENNATOR
ilP COiINECTOR
c
IWHT/GBN}
ALTERNATOR
.P CONI{ECTOB
Wire sido ol
t€m6le t€rminal6
ECM CONI{ECTOR A l:t2F)
BATTERY
Ch.ck tor . .hort In th. clrcuit
(ALTC ltn.lr
1. Disconnect the 4P connoctor
Irom th6 altemator.
2. Start tho engine, and turn tho
h6adlights (high beam) ON.
3. Moasur€ voltago botwoen th6
4P conn€ctor t6rminal No. 2
and the positivo t€rminsl ol
tho batterv.
16 thor6 1 V or less?
Chrck for .n oD.n In th. wllr
IALTC lln.):
1. turn the headlight and igni-
tion switch OFF.
2. Disconnect th6 A (32P) con-
noctor from the ECM.
3. Ch6ck for continuity b6tw6en
tho ECM connoctor A (32P)
t€rminal No, 19 and alternator
4P connoctor torminal No. 2.
Rrp.h op.n In th. wh. brlw..n
th. rltarn oi.nd ECM.
Ch.ct for rhort in th. wire (ALTC
lin.l:
'1. Turn the headlight and igni
tion switch OFF.
2. Disconn€ct the A {32P} con-
n6ctor from tho ECM.
3. Check for conlinuity b€twoen
t h s E C M c o n n e c t o r A ( 3 2 P )
t e r m i n a l N o . 1 9 8 n d b o d y
ground.
Slbrlltut.
! tnown-good ECM.
.nd rach.ck. It Drorcrlb.d volt-
rgr ir now avalldla, raphce lha
origin.l Ecilt.
Rap.ir 3hort in lha wira bstwaan
th. .h.rnator ard ECI\|.
I
2 3
{
5 G
t I | l 0
t l
72
1 5
1a
I t It
1 3
6
z l a
2a
a
26
n
,/,
V
Wir€ side of
fem6le t€rminals
( l
ALTC
(wl{T/GRNI
c
IWHT/GBNI
Wire 3id€ of
femal6 t€rminelg
3 4
ECM CONNECTON A I32P}
t 2 3
a
5
0
t
9
t0 t t
12
t 5 10
l 1 I t
t9
m
z2 a
2a
6 26
21
ALTC
IWHT/GRNI
()
23-104
b-.