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.
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 C1AA2 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 (XX50) 2019-2022 Service & Repair Manual > Safety Connect System(for Gasoline Model): Airbag Signal Malfunction/Not Input (B15C4)
DESCRIPTION If the DCM (Telematics Transceiver) detects an error in communication between the DCM (Telematics Transceiver) and the airbag ECU assembly as a result of the DCM (Telematics Transceiver) self check, this DTC will be set. DTC No. Detection Item DTC Detection Condition Trouble Area B15C4 A ...