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: Checking Voltage Between ECM Terminals 50 And 69
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Accelerator Pedal Voltage Reference
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 " .