Infiniti G35 (V35). Manual - part 324

DTC P0031, P0032, P0051, P0052 A/F SENSOR 1 HEATER

EC-177

C

D

E

F

G

H

I

J

K

L

M

A

EC

Wiring Diagram

NBS000V7

BANK 1

TBWM0816E

EC-178

DTC P0031, P0032, P0051, P0052 A/F SENSOR 1 HEATER

Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-II.

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 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)

2

OR

A/F sensor 1 heater
(bank 1)

[Engine is running]

●

Warm-up condition

●

Idle speed

Approximately 5V

16

W

A/F sensor 1 (bank 1)

[Engine is running]

●

Warm-up condition

●

Idle speed

Approximately 3.1V

35

R

Approximately 2.6V

56

L

Approximately 2.3V

75

Y

Approximately 2.3V

PBIB1584E

DTC P0031, P0032, P0051, P0052 A/F SENSOR 1 HEATER

EC-179

C

D

E

F

G

H

I

J

K

L

M

A

EC

BANK 2

TBWM0817E

EC-180

DTC P0031, P0032, P0051, P0052 A/F SENSOR 1 HEATER

Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-II.

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 ECM terminals, such as the ground.

: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)

Diagnostic Procedure

NBS000V8

1. 

CHECK GROUND CONNECTIONS

1.

Turn ignition switch OFF.

2.

Loosen and retighten two ground screws on the body. Refer to 

EC-159, "Ground Inspection"

 .

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace ground connections.

TER-

MINAL 

NO.

WIRE 

COLOR

ITEM

CONDITION

DATA (DC Voltage)

24

OR

A/F sensor 1 heater
(bank 2)

[Engine is running]

●

Warm-up condition

●

Idle speed

Approximately 5V

57

R

A/F sensor 1 
(bank 2)

[Engine is running]

●

Warm-up condition

●

Idle speed

Approximately 2.6V

58

L

Approximately 2.3V

76

W

Approximately 3.1V

77

Y

Approximately 2.3V

PBIB1584E

PBIB2192E