TCM Self-Diagnosis Does Not Activate (PNP & 3RD Position Switches Circuit Checks), And Throttle Position Sensor [Accelerator Pedal Position (App) Sensor] Circuit Check: Symptom:

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.

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

Fig 1: Locating Park/neutral position (PNP) switch

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

Fig 2: Shift Mechanism

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

Fig 3: Locating Throttle Position Sensor [Accelerator Pedal Position (APP) Sensor]

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