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FUEL SYSTEM (Programmed Fuel
Injection)
Measure the
voltage at
t
he
0
2
sensor wire
har-
ness side connector
terminal
and
ground.
Connection:
Black/White
(+
)
-
Ground H
Standard:
Battery voltage
Rattery
vo lt11oe
Turn the ionition
switch
to "OFF"
.
t
- --- - - - -
-~
Discon
nect
the
ECM
connectors.
Connect
the test
harness
to the wire
harn
ess
connectors.
5-46
No voltnge
•
Open
circu it in
Black/Wh
ite
w
i
re between the 0
2
senso
r
and
the
engi
ne
stop relay.
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