Accelerator Pedal Position Sensor

Reconnect all harness connectors disconnected.
Turn ignition switch ON.
Check voltage between ECM terminals 73 (APP sensor 1 signal), 74 (APP sensor 2 signal) and ground under the following conditions.

Fig 1: Terminal Voltage Table
Courtesy of NISSAN MOTOR CO., U.S.A.
If NG, replace accelerator pedal assembly.
Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING ".
Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
Perform "IDLE AIR VOLUME LEARNING ".

Fig 2: Checking Voltage Between Terminal 73, 74 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.