DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) sends signals to the driving support ECU assembly according to the brake control status. 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), it will store DTC C1A64.
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 C1A64 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 > Seat Heater System(for Gasoline Model): Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: If the battery voltage becomes low, battery load control will operate in order to ensure sufficient power is supplied to the power steering system. In this case, the seat heater system (for gasoline model) may not operate. HINT: Use the table below to help determine th ...
