Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Seat Heater System

DTC No.	Detection Item	Link
B14B5	Lost Communication with Front Seat Temperature Adjustment Switch LIN
B14C0	Front Right Seat Heat Sensor Circuit
B14C1	Front Left Seat Heat Sensor Circuit

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Seat Heater System(for Gasoline Model): Seat Heater for Front Left Seat does not Operate
DESCRIPTION When the seat heater switch of the seat heater switch (radio and display receiver assembly) is operated, the air conditioning amplifier assembly receives a signal and operates the front seat heater. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: If the battery voltage becomes low, batter ...

Toyota Avalon (XX50) 2019-2022 Owners Manual