System Diagram

Courtesy of NISSAN NORTH AMERICA, INC.

A/C AUTO AMP. INPUT SIGNAL

Component parts	Signal description
Integral switch (heated steering wheel switch)	Transmits the heated steering wheel switch signal to the A/C auto amp. via LIN communication.
Heated steering wheel relay and back-up lamp relay (heated steering wheel relay)	Transmits the heated steering wheel relay and back-up lamp relay (heated steering wheel relay) signal to the A/C auto amp.