A/T Control System: TCM

The TCM is integral with the control valve assembly and built into the transmission assembly.

Fig 1: Identifying TCM
Courtesy of NISSAN NORTH AMERICA, INC.
The TCM consists of a microcomputer and connectors for signal input and output and for power supply.
The vehicle driving status is judged based on the signals from the sensors, switches, and other control units, and the optimal transmission control is performed.
For TCM control items, refer to SYSTEM DESCRIPTION .