DESCRIPTION The forward recognition camera receives vehicle speed signals from the skid control ECU (brake booster with master cylinder assembly). If the skid control ECU (brake booster with master cylinder 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 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
HINT: If DTC C1AA3 is output by the front camera system, perform troubleshooting for the electronically controlled brake system. Click here
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Toyota Avalon Service & Repair Manual > Seat Heater System(for Hv Model): Lost Communication with Front Seat Temperature Adjustment Switch LIN (B14B5)
DESCRIPTION The seat heater switch (radio and display receiver assembly) communicates with the air conditioning amplifier assembly via LIN communication. If the LIN communication system is malfunctioning, the air conditioning amplifier assembly will not operate even if the seat heater switch (radio ...
