DESCRIPTION If the new key registration warning message is not displayed after an electrical key transmitter sub-assembly has been registered, there may be communication problem between the certification ECU (smart key ECU assembly) and combination meter assembly (meter ECU). CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Check for DTCs. Body Electrical > Smart Key > Trouble Codes
(a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Main Body / Data List. (e) Read the Data List according to the display on the Techstream. Body Electrical > Main Body > Data List
(a) With the electrical key transmitter sub-assembly in the vehicle and all of the doors closed, lock the doors using the entry lock function and check that the warning message is displayed on the multi-information display. NOTICE: In order to prevent the electrical key transmitter sub-assembly from being locked inside the vehicle, perform this inspection with the window of a door open. HINT: Key lock-in prevention function (vehicle interior). Click here
(a) Clear all of the registered electrical key transmitter sub-assemblies except one and perform registration again. Click here
(a) With all of the doors closed, lock the doors using the entry lock function. (b) Unlock the doors using the entry unlock function, open the driver door and check that the warning message is displayed on the multi-information display.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Lane Departure Alert System (w/ Steering Control)(for Hv Model): Steering Angle Sensor (C1A47)
DESCRIPTION The forward recognition camera receives steering angle information from the steering sensor. If the forward recognition camera detects a steering sensor malfunction, DTC C1A47 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A47 Steering Angle Sensor 2 seconds aft ...