P1615

DTC P1615 COMMUNICATION ERROR FROM DISTANCE CONTROL ECU TO ECM
DTC U1101 LOST COMMUNICATION WITH DISTANCE CONTROL ECU

CIRCUIT DESCRIPTION

DTC Detection Condition:

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