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 > Electric Parking Brake System(for Hv Model): Short circuit in Power source circuit (C13A1)
DESCRIPTION C13A1 is stored if the power supply relay in the parking brake ECU assembly has a short circuit. C13A1 is stored if the power switch is off and a voltage of 2.5 V or higher is applied to the IG terminal and an electric parking brake switch assembly malfunction or wire harness malfunction ...