Nissan Frontier D22. Instruction — part 554
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER
EC-1319
[VG33ER]
C
D
E
F
G
H
I
J
K
L
M
A
EC
WITH CONSULT-II
1.
Turn ignition switch ON and select “DATA MONITOR” mode with
CONSULT-II.
2.
Start engine and warm it up to the normal operating tempera-
ture.
3.
Turn ignition switch OFF and wait at least 10 seconds.
4.
Start engine and keep the engine speed at between 3,500 and
4,000 rpm for at least 1 minute under no load.
5.
Let engine idle for 1 minute.
6.
If 1st trip DTC is detected, go to
WITH GST
1.
Turn ignition switch OFF and wait at least 10 seconds.
2.
Start engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1 minute under no load.
3.
Let engine idle for 1 minute.
4.
Turn ignition switch OFF and wait at least 10 seconds.
5.
Start engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1 minute under no load.
6.
Let engine idle for 1 minute.
7.
Select MODE 3 with GST.
8.
If DTC is detected, go to
EC-1324, "Diagnostic Procedure"
●
When using GST, DTC Confirmation Procedure should be performed twice as much as when using
CONSULT-II because GST cannot display MODE 7 (1st trip DTC) concerning this diagnosis. There-
fore, using CONSULT-II is recommended.
SEF174Y
EC-1320
[VG33ER]
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER
Wiring Diagram
UBS00DT7
BANK 1
BBWA1116E
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER
EC-1321
[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.
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
122
R/B
Heated oxygen sensor 2
heater (bank 1)
[Engine is running]
●
Engine speed is below 3,600 rpm after the following
conditions are met
–
Engine: After warning up
–
Keeping the engine speed between 3,500 and 4,000
rpm for 1 minute and at idle for 1 minute under no
load
0 - 1.0V
[Ignition switch: ON]
●
Engine stopped
[Engine is running]
●
Engine speed is above 3,600 rpm
BATTERY VOLTAGE
(11 - 14V)
EC-1322
[VG33ER]
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER
BANK 2
BBWA1081E
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