Pre-Collision Safety System

DTC U1101 LOST COMMUNICATION WITH DISTANCE CONTROL ECU

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The distance control ECU receives information about the area in front of the vehicle from the millimeter wave radar sensor and then sends a brake control demand signal (deceleration demand) and diagnosis signals, such as millimeter wave radar sensor grime or millimeter wave radar sensor malfunction, to the ECM.

INSPECTION PROCEDURE

HINT: This circuit uses CAN for communication. Therefore, one or more DTCs in the CAN communication system is/are output if there are any malfunctions in the communication circuit.

GO TO CAN COMMUNICATION SYSTEM
Testing and Inspection