DESCRIPTION The clearance warning sonar ECU assembly communicates with the airbag ECU assembly (yaw rate and acceleration sensor) via CAN communication, and if it is determined that the airbag ECU assembly (yaw rate and acceleration sensor) is malfunctioning, DTC C1647 is stored.
CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Using the Techstream, check for DTCs according to the prompts on the screen. Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes(b) Clear the DTCs according to the screen on the Techstream. Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs(c) Recheck for DTCs. Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble CodesHINT:
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Hybrid Control System: Cooling System
DESCRIPTION The cause of the malfunction may be the cooling system. Check whether the grille is blocked, whether coolant is leaking, the radiator fan operating condition and whether coolant has frozen. Related Parts Check Area Inspection Grille blockage, coolant amount, coolant hoses, radiator fan C ...