DCM OPERATION HISTORY DCM OPERATION HISTORY This function shows the telematics network status when the DCM (Telematics Transceiver) was operated. Use this when no DTC is present but this telematics system was unable to connect to the call center. This symptom may occur if cell phone signal strength is very weak. (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Choose "Telematics" from the System Selection Menu, and then click "Utility". (e) Click "DCM Operation History" on the Utility Selection Menu. Body Electrical > Telematics > Utility
(f) Follow the instructions on the Techstream. ![]()
HINT:
NOTICE: *1: A failure can also be caused by manually ending an SOS call, and does not necessarily indicate a device malfunction. HINT: *2: When communication to the call center fails, "Fail" is displayed. |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Intuitive Parking Assist System(for Gasoline Model): Front Sensor Communication Malfunction (C1AEC)
DESCRIPTION This DTC is stored when there is an open or short circuit in the communication line between the front sensors and the ECU, or when there is a malfunction in a front sensor. DTC No. Detection Item DTC Detection Condition Trouble Area C1AEC Front Sensor Communication Malfunction An open or ...