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FUEL SYSTEM
(Programmed
Fuel Injection)
Crank the engine with
the
starter motor, and
measure
the ignition
pulse generator peak
volt-
age at the test harness terminals.
Connection: A
1
(+}_ground
H
~~·I'
·~·~·;·~'i'i'lo~tt~t-
~ ll~
t"
''
41 17
"""*'
3
1
Standard:
0.7
v
minimum (20 °C/68
°
F)
==
Is the voltage at the standard value?
•
• •
• •
• •
»
11,
•
* •
••
NO
- Open or short circuit
i
n
White/yellow
$
and/
or Yellow wire.
..__..,
YES
-
Replace the
ECM
with a new one, and
inspect it
again.
PGM-FI MIL 21 BLINKS
(No.
1
02
SENSOR)
PEAK
VOLTAGE ADAPTOR
1.
No.1
02
Sensor Signal Line Inspection
Turn
the ignition
switch OFF.
Disconnect
the
No.1
o
2
sensor 4P
(Natu ral)
con-
No.1
02
SENSOR 4P (NATURAL) CONNECTOR
nector.
Check
for
loose
or poor contact on the No.1
02
No. 1
0
2
SENSOR
4 p (NATURAL) CONNECTOR
sensor 4P
(Natu
ral)
connector.
5-37
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Troubleshooting
