Nissan Frontier D22. Manual - part 554

DTC P0037, P0038, P0057, P0058 HO2S2 HEATER

EC-1319

[VG33ER]

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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 

EC-1324, "Diagnostic Proce-

dure"

 .

 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]

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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