Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: System Diagram

SYSTEM DIAGRAM

FRONT SEAT BELT WARNING

Communication Table

Sender	Receiver	Signal	Communication Method
Airbag ECU assembly	Main body ECU (multiplex network body ECU)	Front seat inner belt assembly LH buckle switch	CAN
Airbag ECU assembly	Combination meter assembly	Front seat inner belt assembly RH buckle switch Occupant detection
Skid control ECU (brake booster with master cylinder assembly)	Combination meter assembly	Vehicle speed
Hybrid vehicle control ECU assembly	Combination meter assembly	Shift position
Occupant detection ECU	Airbag ECU assembly	Front seat inner belt assembly RH buckle switch Occupant detection
Main body ECU (multiplex network body ECU)	Combination meter assembly	Front seat inner belt assembly LH buckle switch Parking brake switch

REAR SEAT BELT WARNING

Communication Table

Sender	Receiver	Signal	Communication Method
Main body ECU (multiplex network body ECU)	Combination meter assembly	Rear door courtesy light switch (LH/RH) Parking brake switch	CAN

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: Evaporative Emission System Incorrect Purge Flow Actuator Stuck On (P04417E,P04417F,P04419C)
DTC SUMMARY DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P04417E Evaporative Emission System Incorrect Purge Flow Actuator Stuck On The stabilized EVAP system pressure is higher than [second reference pressure x 0.2] and the purge VSV is judged as stuck on. Purge VSV P ...

Toyota Avalon (XX50) 2019-2022 Owners Manual