CAUTION / NOTICE / HINT HINT:
PROCEDURE
HINT:
(a) Measure the auxiliary battery voltage with the power switch off. Standard Voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step. (b) Check the fuses and relays. (c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
(a) Using the Techstream, check for CAN communication system DTCs. Click here
(a) Refer to Problem Symptoms Table. Click here
(a) Operation Check Click here (b) Terminals of ECU Click here (c) Data List / Active Test Click here (d) Inspection
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Audio And Visual System(for Hv Model): Certification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7)
DESCRIPTION This DTC is stored when items controlled by the certification ECU (smart key ECU assembly) cannot be customized via the audio and visual system vehicle customization screen. HINT: The certification ECU (smart key ECU assembly) controls the smart key system related items that are customiz ...