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FUEL SYSTEM (Programmed Fuel Injection)
2.
No.2
0
2
Sensor Heater Resistance
Inspection
Turn the ign ition switch OFF.
Disconnect the No.2
0
2
sensor
4P
(Black) con-
nector
and measure the resistance at the sensor
side connector white terminals.
Connection:
White(+) -White
(-)
Standard:
10
-
40
n
(20 °C/68
°F)
Is the resistance within 10 - 40
n
(20
°
C/68
°
F)
7
NO
-
Faulty No.2
0
2
sensor.
YES
- GO TO STEP 3.
3.
No.2
0
2
Sensor
Heater Short Circuit Inspection
Check
for continuity
between
the
white terminal
and
grou nd.
Connection:
White
(+)-Ground
(-)
Is
there
cont
inuity?
YES
- Faulty
No.2
0
2
sensor.
NO
- GO
TO
STEP
4.
4. No.2
0
2
Sensor
Heater
Power
Input
Line
Inspec-
tion
Turn
the
ignition
switch ON.
Measure the voltage at the No.1
0
2
sensor wire
harness side connector terminals.
Connection:
Black/white
(+)- White/
yellow
(-)
Standard:
Battery voltage
Does battery voltage exist?
NO
- GO
TO
STEP 6.
YES
-GO
TO STEP 5.
0
2
SENSOR
4P
(BLACK)
CONNECTOR
02
SENSOR 4P
(BLACK)
CONNECTOR
0
2
SENSOR
4P
{BLACK)
CONNECTOR
5-45
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