A/C Auto Amp.

The A/C auto amp. is installed to the blower unit assembly.

Courtesy of NISSAN NORTH AMERICA, INC.
A/C auto amp. turns ON/OFF the heated steering wheel relay and back-up lamp relay (heated steering wheel relay), according to a signal transmitted from display control unit via CAN communication.
The A/C auto amp. includes a timer. The heated steering wheel relay and back-up lamp relay (heated steering wheel relay) is turned OFF when the timer operating time reaches 30 minutes.
- Timer: Turns ON/OFF the heated steering wheel relay and back-up lamp relay (heated steering wheel relay) for a specified period of time.