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 > Pre-collision System(for Gasoline Model): How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the pre-collision system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. INSPECT BATTERY VOLTAGE (a) Measure the battery voltage. Standard Voltage: 11 to 14 V If the voltage is below 11 V, replace or recharge ...