Throttle Position Sensor

Reconnect all harness connectors disconnected.
Perform ACCELERATOR PEDAL RELEASED POSITION LEARNING
Perform THROTTLE VALVE CLOSED POSITION LEARNING
Turn ignition switch ON.
Set selector lever to D position.
Check voltage between ECM terminals 108 (TP sensor 1 signal), 98 (TP sensor 2 signal) and ground under the following conditions.

Fig 1: Checking voltage between ECM terminals 108 (TP sensor 1 signal), 98 (TP sensor 2 signal) & ground (1 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Checking voltage between ECM terminals 108 (TP sensor 1 signal), 98 (TP sensor 2 signal) & ground (2 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.
If NG, replace electric throttle control actuator and go to the next step.
Perform ACCELERATOR PEDAL RELEASED POSITION LEARNING .
Perform THROTTLE VALVE CLOSED POSITION LEARNING .
Perform IDLE AIR VOLUME LEARNING .