Accelerator Pedal Position Sensor

WARNING: This page is about a different car, the 2004 Infiniti M45. 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 87 (APP sensor 1 signal), 117 (APP sensor 2 signal) and ground under the following conditions.

Fig 1: Checking Voltage Between ECM Terminals & Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Inspecting Conditions Chart
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 .
Perform THROTTLE VALVE CLOSED POSITION LEARNING .
Perform IDLE AIR VOLUME LEARNING .