DESCRIPTION The forward recognition camera uses the millimeter wave radar sensor assembly to detect obstacles in front of the vehicle. When the vehicle is determined to be driving in a straight line or on a gradual curve based on signals from the yaw rate sensor etc., the millimeter wave radar sensor assembly performs self diagnosis to check if the sensor beam axis has deviated from the vehicle movement direction. When the millimeter wave radar sensor assembly beam axis has deviated, the forward recognition camera detects this, and stores DTC C1A11. After installing a new millimeter wave radar sensor assembly, if sensor beam axis adjustment is not performed, DTC C1A14 is stored.
PROCEDURE
HINT: If DTC C1A11 or C1A14 is output by the front camera system, perform troubleshooting for the pre-collision system. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Front Bumper: Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE FRONT TELEVISION CAMERA ASSEMBLY (w/ Panoramic View Monitor System) Click here 2. REMOVE FRONT CENTER ULTRASONIC SENSOR (w/ Intuitive Parking Assist System) Click here HINT: Use the same procedure for the RH side and LH side. 3. REMOVE FRONT CORNER ULTRASONIC SENSOR ( ...
