Power Steering Pressure Sensor

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

Fig 1: Voltage Condition Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Checking Voltage Between ECM Terminal 12 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.