Toyota Avalon Service & Repair Manual: Vehicle Speed Tolerance Malfunction (C1AA2)

DESCRIPTION

The forward recognition camera receives vehicle speed tolerance signals from the combination meter assembly. If the combination meter assembly detects a vehicle speed tolerance malfunction signal, it informs the forward recognition camera via CAN communication, and DTC C1AA2 is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AA2

Vehicle Speed Tolerance Malfunction

2 seconds after the power switch is turned on (IG), a signal from the combination meter assembly indicating an abnormal vehicle speed tolerance is detected by the forward recognition camera for 50 seconds or more.

Electronically controlled brake system

CAUTION / NOTICE / HINT

NOTICE:

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.

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM

HINT:

If DTC C1AA2 is output by the lane departure alert system (w/ steering control), perform troubleshooting for the electronically controlled brake system.

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NEXT

END

    FCM Destination Information Unmatched (C1AA1)

    Vehicle Speed Sensor Circuit (C1AA3)

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