DESCRIPTION The rear center ultrasonic sensor LH is installed to the rear bumper. The clearance warning ECU assembly detects obstacles based on signals received from the rear center ultrasonic sensor LH. If the rear center 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 center 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 > Parking Assist Monitor System(for Gasoline Model): Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Parking Assist Monitor System DTC No. Detection Item Link C1611 ECU Malfunction C1621 Back Camera Power Supply Failure C1622 Back Camera Disconnected C1625 Open or Short in Steering Angle Sensor +B C1626 Steering Angle Sensor Failure C168D Vehicle Information Unmatched ...
