Accelerator Pedal Position Sensor

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

Reconnect all harness connectors disconnected.
Turn ignition switch ON.
Check voltage between ECM terminals 106 (APP sensor 1 signal), 98 (APP sensor 2 signal) and ground under the following conditions.

Fig 1: Voltage Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Checking Voltage
Courtesy of NISSAN MOTOR CO., U.S.A.
If NG, replace accelerator pedal assembly and go to next step.
Perform ACCELERATOR PEDAL RELEASED POSITION LEARNING in BASIC DIAGNOSTIC PROCEDURES - TITAN article.
Perform THROTTLE VALVE CLOSED POSITION LEARNING in BASIC DIAGNOSTIC PROCEDURES - TITAN article.
Perform IDLE AIR VOLUME LEARNING in BASIC DIAGNOSTIC PROCEDURES - TITAN article.