Dynamic Radar Cruise Control System
DTC P1615 COMMUNICATION ERROR FROM DISTANCE CONTROL ECU TO ECMDTC 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.
Step 1:
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.