P1615
DTC P1615 COMMUNICATION ERROR FROM DISTANCE CONTROL ECU TO ECMCIRCUIT DESCRIPTION
DTC Detecting Condition:
The distance control ECU and ECM always communicate the data for vehicle general control and diagnosis function each other through communication line.
The distance control ECU determines the distance, relative speed, and target deceleration speed based on the signal from the laser radar sensor, and it transmits a control demand signal to the skid control ECU.
Wiring Diagram:
Step 1 - 2:
INSPECTION PROCEDURE