Throttle Position Sensor

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

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 body ground under the following conditions.

Fig 1: Checking Voltage Between ECM Terminals 50, 69 And Body Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Displaying Terminal Conditions For Inspection

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 .