Bank 1

WARNING: This page is about a different car, the 2007 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: EC-AF1HB1-01 - Wiring Diagram

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-II.

CAUTION: Do not 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.

ECM INSPECTION TABLE (BANK 1)

TERMINAL NO.

WIRE COLOR

ITEM

CONDITION

DATA (DC Voltage)

G/B

A/F sensor 1 heater (Bank 1)

[Engine is running]

Warm-up condition
Idle speed

Approximately 5V⁽¹⁾

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

LG/B

A/F sensor 1 (Bank 1)

[Engine is running]

Warm-up condition
Idle speed

Approximately 3.1V

O/L

Approximately 2.6V

BR/Y

Approximately 2.3V

Y/R

Approximately 2.3V

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