Throttle Position Sensor

Reconnect all harness connectors disconnected.
Perform THROTTLE VALVE CLOSED POSITION LEARNING .
Turn ignition switch ON.
Set selector lever to D position.
Check voltage between ECM terminals 50 (TP sensor 1 signal), 69 (TP sensor 2 signal) and ground under the following conditions.

Fig 1: Throttle Position Sensor Terminal Voltage Specification Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Checking Voltage Between ECM Terminals 50 (TP Sensor 1), 69 (TP Sensor 2) And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
If NG, replace electric throttle control actuator and go to the next step.
Perform THROTTLE VALVE CLOSED POSITION LEARNING .
Perform IDLE AIR VOLUME LEARNING .