2. Check APP Sensor Power Supply Circuit

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

Disconnect accelerator pedal position (APP) sensor harness connector.
Turn ignition switch ON.

Fig 1: Disconnect Accelerator Pedal Position (APP) Sensor Harness Connector
Courtesy of NISSAN MOTOR CO., U.S.A.
Check voltage between APP sensor terminals 1, 2 and ground with CONSULT-II or tester.
1. Voltage: Approximately 5V

OK or NG

OK : GO TO 4 .
NG : GO TO 3.

Fig 2: Check voltage

Courtesy of NISSAN MOTOR CO., U.S.A.