Nissan Frontier D22. Instruction — part 425
DTC P0138, P0158 HO2S2
EC-803
[VG33E]
C
D
E
F
G
H
I
J
K
L
M
A
EC
Wiring Diagram
UBS00DIF
BANK 1
BBWA1079E
EC-804
[VG33E]
DTC P0138, P0158 HO2S2
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.
TERMI-
NAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
56
OR
Heated oxygen sensor 2
(bank 1)
[Engine is running]
●
Warm-up condition
●
Revving engine from idle to 3,000 rpm quickly after
the following conditions are met
–
Keeping the engine speed between 3,500 and 4,000
rpm for 1 minute and at idle for 1 minute under no
load
0 - Approximately 1.0V
DTC P0138, P0158 HO2S2
EC-805
[VG33E]
C
D
E
F
G
H
I
J
K
L
M
A
EC
BANK 2
BBWA1080E
EC-806
[VG33E]
DTC P0138, P0158 HO2S2
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.
Diagnostic Procedure
UBS00DIG
1.
INSPECTION START
1.
Turn ignition switch OFF.
2.
Loosen and retighten engine ground screws.
3.
Check heated oxygen sensor 2 harness protector color.
4.
Disconnect corresponding heated oxygen sensor 2 harness
connector.
5.
Disconnect ECM harness connector.
>> GO TO 2.
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
57
Y
Heated oxygen sensor 2
(bank 2)
[Engine is running]
●
Warm-up condition
●
Revving engine from idle to 3,000 rpm quickly after
the following conditions are met
–
Keeping the engine speed between 3,500 and 4,000
rpm for 1 minute and at idle for 1 minute under no
load
0 - Approximately 1.0V
BBIA0418E
PBIB1423E
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