Diagnostic Procedure
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.
NOTE:
To check DTC with TCM, see appropriate DIAGNOSIS article in AUTOMATIC TRANSMISSIONS, for vehicle speed sensor, see VEHICLE SPEED SENSOR in SYSTEM & COMPONENT TESTING article and for combination meter, see appropriate INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT.
For diagnostic procedure, see Fig 1.