P1616
DTC P1616 Communication error from ECM to Distance Control ECUCIRCUIT DESCRIPTION
Dtc Detection Condition:
ECM and Distance control ECU always communicate the data for vehicle general control and diagnosis function each other via communication line.
This is detected when the distance control ECU responds to the ECM to instruct that the information sent from the distance control ECU to ECM is abnormal.
Wiring Diagram:
Step 1 - 2:
INSPECTION PROCEDURE