Bank 1

For PG, go to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS .

Fig 1: Wiring Diagram (Bank 1) - EC-O2S2B1-01

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

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 damage to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.

CONNECTOR TERMINAL SPECIFICATION DATA REFERENCE VALUES

TERMINAL NO.	WIRE COLOR	ITEM	CONDITION	DATA (DC Voltage)
25	P	Heated oxygen sensor 2 heater (Bank 1)	[Engine is running] Engine speed: Below 3, 600 rpm after the following conditions are met Engine: After warming 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
25	P	Heated oxygen sensor 2 heater (Bank 1)	[Ignition switch: ON] Engine stopped [Engine is running] Engine speed: Above 3, 600 rpm	BATTERY VOLTAGE (11 - 14V)
74	W	Heated oxygen sensor 2 (Bank 1)	[Engine is running] Revving engine from idle to 3, 000 rpm quickly after the following conditions are met Engine: After warming 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 - Approximately 1.0V
78	B	Heated oxygen sensor 2 ground	[Engine is running] Warm-up condition Idle speed	Approximately 0V