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

When all of the following conditions are met:

  • 2 seconds after the power switch is turned on (IG)
  • The vehicle speed is 5 km/h (4 mph) or more.
  • 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 front camera system 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

NEXT

END

    Front Camera System(for Hv Model)

    Front Radar Sensor Incorrect Axial Gap (C1A11,C1A14)

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