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('98 -
00 models)
,'-
- _._._.-
_._.
_.-
(From page 11-121)
A
Check for an open In the wire.
UGP,IG1-line):
Measure voltage between the
pri-
mary
H02S 4P connector terminal
NO.
3
(secondary
H02S:
No.
4)
and
body ground.
Is there battery
voltage?
YES
Check for an open
in
the wir ..
IP02SHTC. S02SHTC' line):
1.
Turn
the ignition switch
OFF,
2. Reconnect the H02S 4P con-
nector.
3.
Disconnect
the
ECMlPCM
con-
nector
C
(31P)
CECM/PCM con-
nector
A (32P))"'.
4.
Turn the
ignition
switch ON
(II
).
5.
Measure
voltage
between
ECM/PCM
connector
terminals
B2
and
Cl
(82
and
AS)*.
Is there 0.1
Vor
less?
NO
Sub.titute a known-good ECMf
PCM and
recheck
.
tf
symptom!
indication goes away.
replace
the original ECM/PCM,
(From
page 11-1211
B
Check for a
.hort
in the wire.
IP02SHTC. S02SHTC' lino):
1. Turn the
ignition
switch
OFF.
2.
Disconnect the ECM/PCM
con-
nector C
(31P)
IECM/PCM con-
nector
A (32P))'"
.
3.
Check
for
continuity between
ECM/PCM
connector
terminal
Cl (A8)*
and
body ground.
Is
there
continuity?
NO
Substitute a known-good ECMI
peM and
recheck. If symptoml
indication goes away, replace
the
original ECM/PCM.
I
L-__
~
____________
~
'
.
:
P0141
L
._
._._._._
._
._._.
_
NO
YES
YES
Repair open or short in the wire
between the
No. 15 AllERNATOR
SP SENSOR 17.5 A) luso ond tho
H02S (Primary, Secondary-).
Repair open in the
wlr. between
the
ECM/PCM ICI. A8') and the
H02S
(Primary,
Secondary-),
Repair short in the wire between
the ECM/PCM (Cl
,
AS-'
and the
HOZS (Primary. Secondary-),
PRIMARY H02S ISons.r 11 4P CONNECTOR
IClll)
161
IBlK/
YELl
Wire
side of female
terminals
SECONDARY H02S
ISENSOR 2) 4P CONNECTOR
IC721)'
2
161 IBlK/WHT)
3
4
Wire
side
of female terminals
ECM/PCM CONNECTORS
ECM/PCM CONNECTORS
P02SHTC
~IBlK/wHTI
C 131P)
11
2 31
/
5
/
7
• •
1/
11
1/
/ /
V /
16 17 ,. ,.
20
21 22
=-
23
/
25
262728
293031
A 132P) S02SHTC
11-123
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Troubleshooting
