DESCRIPTION When the pre-collision system is operating, the driving support ECU assembly sends brake control signals to the skid control ECU (brake booster with master cylinder assembly). If the driving support ECU assembly receives an electronically controlled brake system malfunction signal from the skid control ECU (brake booster with master cylinder assembly) via CAN communication, DTC C1A50 will be stored.
CAUTION / NOTICE / HINT NOTICE: The pre-collision 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 C1A50 is output by the pre-collision system, perform troubleshooting for the electronically controlled brake system. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Smart Key System(for Entry Function, Gasoline Model): Luggage Compartment Door Entry Unlock Function does not Operate when Key is Outside Luggage Compartment
DESCRIPTION If the entry luggage compartment door open function does not operate, there may be a malfunction in the luggage electrical key switch circuit or certification ECU (smart key ECU assembly), which receives a signal from the luggage electrical key switch circuit, or a communication error be ...
