DESCRIPTION When a new driving support ECU assembly is installed, it receives vehicle specification information (destination, steering wheel position, 2WD or AWD, etc.) from the main body ECU (multiplex network body ECU) and stores the information. DTC C1A02 is stored when the driving support ECU assembly cannot store the vehicle specification information from the main body ECU (multiplex network body ECU).
CAUTION / NOTICE / HINT NOTICE: When replacing the driving support ECU assembly, always replace it with a new one. If a driving support ECU assembly which was installed to another vehicle is used, the information stored in the driving support ECU assembly will not match the information from the vehicle. As a result, a DTC may be stored. PROCEDURE
(a) Replace the driving support ECU assembly. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Battery or Open (P011015)
DESCRIPTION Refer to DTC P011011. Click here HINT: When DTC P011015 is stored, the ECM enters fail-safe mode. During fail-safe mode, the intake air temperature is estimated to be 20°C (68°F) by the ECM. Fail-safe mode continues until a pass condition is detected, and the power switch is then turne ...
