DESCRIPTION The forward recognition camera receives vehicle speed signals from the skid control ECU (brake actuator assembly). If the skid control ECU (brake actuator assembly) receives a vehicle speed sensor malfunction signal, it informs the forward recognition camera via CAN communication, and DTC C1AA3 is stored.
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. Click here PROCEDURE
HINT: If DTC C1AA3 is output by the lane departure alert system (w/ steering control), perform troubleshooting for the electronically controlled brake system. Click here
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Toyota Avalon Service & Repair Manual > Lane Departure Alert System (w/ Steering Control)(for Gasoline Model): Fail-safe Chart
FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) When a malfunction occurs in the lane departure alert system (w/ steering control), a message will be displayed on the multi-information display and the lane departure alert system (w/ steering control) will be disabled depending on the malfunction. Warning Mes ...
