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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: ECM Terminal 12 And Ground Voltage Conditions 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.