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

DIAGNOSTIC TROUBLE CODE CHART

Smart Key System (for Entry Function, Gasoline Model)

DTC No.	Detection Item	Link
B27A1	Open in Driver Side Electrical Antenna Circuit
B27A2	Open in Front Passenger Side Electrical Antenna Circuit
B27A7	Open in Inside Luggage Compartment Electrical Key Oscillator Circuit
B27A8	Open in Outside Luggage Compartment Electrical Key Antenna Circuit

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Power Window Control System(for Gasoline Model): All Power Windows do not Operate with Driver Side Door Key Cylinder or Wireless Transmitter
DESCRIPTION Wireless Transmitter-linked Function When a key switch is pushed: 1) the door control receiver receives the wireless door lock signal; 2) the door control receiver sends a signal to the main body ECU (multiplex network body ECU) through the certification ECU (smart key ECU assembly); 3) ...

Toyota Avalon (XX50) 2019-2022 Owners Manual