Toyota Avalon Service & Repair Manual: 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 power 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.

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  • 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.

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PROCEDURE

1.

REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY

(a) Replace the millimeter wave radar sensor assembly.

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(b) Adjust the millimeter wave radar sensor assembly.

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NEXT

END

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