Power Steering Pressure Sensor

WARNING: This page is about a different car, the 2005 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Reconnect all harness connectors disconnected.
Start engine and let it idle.
Check voltage between ECM terminal 12 and ground under the following conditions.

POWER STEERING PRESSURE SENSOR ECM TERMINAL 12 VOLTAGE SPECIFICATIONS

Condition	Voltage
Steering wheel is being turned.	0.5 - 4.5V
Steering wheel is not being turned.	0.4 - 0.8V

Fig 1: Checking Voltage Between ECM Connector Terminal 12 And Ground

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