DIAGNOSIS SYSTEM DIAGNOSIS FUNCTION (a) The diagnosis function turns off the cruise control indicator, illuminates the master warning light and displays a warning message when a malfunction is detected. When a malfunction is detected in the dynamic radar cruise control system, DTCs are stored in the hybrid vehicle control ECU or driving support ECU assembly. ![]()
NOTICE:
DESCRIPTION (a) The hybrid vehicle control ECU and driving support ECU assembly control the dynamic radar cruise control system of the vehicle. The data and DTCs relating to the dynamic radar cruise control system can be read from the DLC3 of the vehicle. Use the Techstream to check and solve the problem. CHECK DLC3 (a) Check the DLC3. Click here
CHECK INDICATOR (a) Turn the power switch on (IG). (b) Check that the cruise control indicator illuminates when the dynamic radar cruise control system is turned on using the cruise control main switch, and that the indicator turns off when the dynamic radar cruise control system is turned off using the cruise control main switch. ![]()
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Toyota Avalon Service & Repair Manual > Lane Departure Alert System (w/ Steering Control)(for Hv Model): Lost Communication with TCM (U0101,U0123,U0126,U0129,U0131,U0142,U0155,U0293)
DESCRIPTION When a malfunction is detected between various ECUs and sensors, these DTCs are stored. DTC No. Detection Item DTC Detection Condition Trouble Area U0101 Lost Communication with TCM 2 seconds after the power switch is turned on (IG), while the vehicle is being driven at 1 km/h or 1 mph o ...