Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Seat Heater System(for Hv Model): Lost Communication with Front Seat Temperature Adjustment Switch LIN (B14B5)
DESCRIPTION The seat heater switch (radio and display receiver assembly) communicates with the air conditioning amplifier assembly via LIN communication. If the LIN communication system is malfunctioning, the air conditioning amplifier assembly will not operate even if the seat heater switch (radio ...
