21. TCM Self-diagnosis Does Not Activate (PNP & 3 Position Switches Circuit Checks), and Throttle Position Sensor [Accelerator Pedal Position (APP) Sensor] Circuit Check: Notes

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM:

A/T check (position) indicator lamp does not come on in TCM self-diagnostic procedure even if the lamp circuit is good.

Fig 1: Identifying Park Neutral Position Switch

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

Fig 2: Identifying Shift Lock Button

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

Fig 3: Identifying Throttle Position Sensor

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