DTC P2A00, P2A03 A/F Sensor 1: Wiring Diagram

BANK 1

NOTE: For PG-Power, go to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS .

Fig 1: Wiring Diagram - EC-AF1B1-01

Courtesy of NISSAN MOTOR CO., U.S.A.

Specification data are reference values and are measured between each terminal and ground.

Pulse signal is measured by CONSULT-III.

CAUTION: Never use ECM ground terminals when measuring input/output voltage. Doing so may result in damage to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.

CONNECTOR TERMINALS REFERENCE CHART

TERMINAL NO.

WIRE COLOR

ITEM

CONDITION

DATA (DC Voltage)

A/F sensor 1 heater (bank 1)

[Engine is running]

Warm-up condition
Idle speed

Approximately 5 V⁽¹⁾

Courtesy of NISSAN MOTOR CO., U.S.A.

W/L

A/F sensor 1 (bank 1)

[Engine is running]

Warm-up condition
Idle speed

Approximately 3.1 V

GR/L

Approximately 2.6 V

LG/B

Approximately 2.3 V

⁽¹⁾	Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)

BANK 2

Fig 2: Wiring Diagram - EC-AF1B2-01

Courtesy of NISSAN MOTOR CO., U.S.A.

Specification data are reference values and are measured between each terminal and ground.

Pulse signal is measured by CONSULT-III.

CAUTION: Never use ECM ground terminals when measuring input/output voltage. Doing so may result in damage to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.

CONNECTOR TERMINALS REFERENCE CHART

TERMINAL NO.

WIRE COLOR

ITEM

CONDITION

DATA (DC Voltage)

A/F sensor 1 heater (bank 2)

[Engine is running]

Warm-up condition
Idle speed

Approximately 5 V⁽¹⁾

Courtesy of NISSAN MOTOR CO., U.S.A.

BR/W

A/F sensor 1 (bank 2)

[Engine is running]

Warm-up condition
Idle speed

Approximately 2.6 V

G/O

Approximately 2.3 V

G/W

Approximately 3.1 V

Approximately 2.3 V

⁽¹⁾	Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)