Nissan Frontier D22. Instruction — part 574
DTC P0134, P0154 HO2S1
EC-1399
[VG33ER]
C
D
E
F
G
H
I
J
K
L
M
A
EC
3.
Check the following with engine speed held at 2,000 rpm con-
stant under no load.
–
The voltage does not remain in the range of 0.2 to 0.4V.
4.
If NG, go to
EC-1404, "Diagnostic Procedure"
SEF919UA
EC-1400
[VG33ER]
DTC P0134, P0154 HO2S1
Wiring Diagram
UBS00DVH
BANK 1
BBWA1075E
DTC P0134, P0154 HO2S1
EC-1401
[VG33ER]
C
D
E
F
G
H
I
J
K
L
M
A
EC
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than the ECM terminals, such as the ground.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
50
B
Heated oxygen sensor
1 (front) (bank 1)
[Engine is running]
●
Warm-up condition
●
Engine speed is 2,000 rpm
0 - Approximately 1.0V
SEF002V
EC-1402
[VG33ER]
DTC P0134, P0154 HO2S1
BANK 2
BBWA1076E
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