Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Front Radar Sensor (C1A10)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Engine / Cruise Control / Lane Departure Alert System (w/ Steering Control)(for Gasoline Model) / Front Radar Sensor (C1A10)

DESCRIPTION

The forward recognition camera uses the millimeter wave radar sensor assembly to detect obstacles in front of the vehicle.

When the forward recognition camera receives information that there is an internal malfunction in the millimeter wave radar sensor assembly, DTC C1A10 is stored.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C1A10	Front Radar Sensor	2 seconds after the engine switch is turned on (IG), a signal from the millimeter wave radar sensor assembly indicating that there is an internal malfunction in millimeter wave radar sensor assembly is detected by the forward recognition camera for 5 seconds or more.	Millimeter wave radar sensor assembly

CAUTION / NOTICE / HINT

NOTICE:

When replacing the millimeter wave radar sensor assembly, always replace it with a new one. If a millimeter wave radar sensor assembly which was installed to another vehicle is used, the information stored in the millimeter wave radar sensor assembly will not match the information from the vehicle. As a result, a DTC may be stored.
When the millimeter wave radar sensor assembly is replaced with a new one, adjustment of the radar sensor beam axis must be performed.
Click here
The lane departure alert system (w/ steering control) uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting.
Click here

PROCEDURE

1.	REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY

(a) Replace the millimeter wave radar sensor assembly.

Click here

(b) Adjust the millimeter wave radar sensor assembly.

Click here

END

Driving Support ECU (C1A01)

Front Radar Sensor Incorrect Axial Gap (C1A11,C1A14)

See More:

Toyota Avalon (XX50) 2019-2022 Owners Manual > Using the driving support systems: Rear Camera Detection function (vehicles with panoramic view monitor)
When the vehicle is backing up, the rear camera detection function can detect pedestrians in the detection area behind the vehicle. If a pedestrian is detected, a buzzer will sound and an icon on the audio system screen will be displayed to inform the driver of the pedestrian. Display Pedestrian de ...