DESCRIPTION If a communication error between the driving support ECU assembly and another ECU is detected, DTC C1A73 is stored.
CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
HINT: The driving support ECU communicates with other ECUs via CAN communication. Confirm that the CAN communication system is functioning normally before proceeding. (a) Check for DTCs. Body Electrical > Pre-Collision 2 > Trouble Codes
(a) Clear the DTCs. Chassis > LKA/LDA > Clear DTCs(b) Make sure that the DTC detection conditions are met. HINT: If the detection conditions are not met, the system cannot detect the malfunction. (c) Check for DTCs. Chassis > LKA/LDA > Trouble Codes
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Toyota Avalon Service & Repair Manual > Automatic Transaxle System: Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or states of ...