Nissan Frontier D22. Manual - part 571

DTC P0133, P0153 HO2S1

EC-1387

[VG33ER]

C

D

E

F

G

H

I

J

K

L

M

A

EC

Wiring Diagram

UBS00DV9

BANK 1

BBWA1075E

EC-1388

[VG33ER]

DTC P0133, P0153 HO2S1

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 (bank 1)

[Engine is running]

●

Warm-up condition

●

Engine speed is 2,000 rpm

0 - Approximately 1.0V

SEF002V

DTC P0133, P0153 HO2S1

EC-1389

[VG33ER]

C

D

E

F

G

H

I

J

K

L

M

A

EC

BANK 2

BBWA1076E

EC-1390

[VG33ER]

DTC P0133, P0153 HO2S1

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.

Diagnostic Procedure

UBS00DVA

1. 

RETIGHTEN GROUND SCREWS

1.

Turn ignition switch OFF.

2.

Loosen and retighten engine ground screws.

>> GO TO 2.

2. 

RETIGHTEN HEATED OXYGEN SENSOR 1

Loosen and retighten corresponding heated oxygen sensor 1.

>> GO TO 3.

TER-

MINAL 

NO.

WIRE 

COLOR

ITEM

CONDITION

DATA (DC Voltage)

51

G

Heated oxygen sensor 
1 (bank 2)

[Engine is running]

●

Warm-up condition

●

Engine speed is 2,000 rpm

0 - Approximately 1.0V

SEF002V

BBIA0418E

Tightening torque: 40 - 60 N·m (4.1 - 6.1 kg-m, 30 - 44 ft-lb)