CAN Communication System
DTC U1102 Lost Communication with Radar SensorDESCRIPTION
DTC Detection Condition:
The gateway ECU will store this DTC when no signals can be received from the distance control ECU while the CAN No. 2 main bus is normal.
Wiring Diagram:
Step 1-2:
Step 3:
INSPECTION PROCEDURE
NOTE:
- Turn the engine switch off before measuring the resistances of CAN bus main wires and CAN bus branch wires.
- After the engine switch is turned off, check that the key reminder warning system and light reminder warning system are not in operation.
- Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not operate the engine switch, any other switches, or the doors. If any doors need to be opened in order to check connectors, open the doors and leave them open.