DESCRIPTION The rear corner ultrasonic sensor LH is installed to the rear bumper. The clearance warning ECU assembly detects obstacles based on signals received from the rear corner ultrasonic sensor LH. If the rear corner ultrasonic sensor LH has an open circuit or other malfunction, it will not function normally.
CAUTION / NOTICE / HINT NOTICE: If DTCs are output after repairs, turn the engine switch on (IG) and the intuitive parking assist system on. Then clear the DTCs. Click here
PROCEDURE
(a) Check for DTCs. Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes
(a) Replace the rear corner ultrasonic sensor LH with a known good one. Click here HINT: All of the sensors are interchangeable. To confirm whether a sensor is functioning normally, switch it with a known good sensor from the other end of the vehicle.
(a) Clear the DTCs. Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs(b) Check for DTCs. Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Smart Key System(for Start Function, Gasoline Model): Customer Problem Analysis Check
CUSTOMER PROBLEM ANALYSIS CHECK HINT: Be sure to ask the customer in detail about the following points concerning the vehicle operating conditions, environment and problem, and then check for DTCs. If the entry unlock function does not operate. If the power source mode does not change even though th ...
