SYSTEM DIAGRAM 
 HEADLIGHT ASSEMBLY CIRCUIT  |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Smart Key System(for Start Function, Gasoline Model): IG2 Signal Malfunction (B2788)
DESCRIPTION This DTC is stored when the steering lock ECU (steering lock actuator or upper bracket assembly) detects an IG2 power supply malfunction. HINT: The steering lock ECU (steering lock actuator or upper bracket assembly) is not connected to the CAN communication system. However, the steering ...
