Circuit Description
WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
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.
DTC CONDITION DETECTION CHART
| DTC No. | DTC Detecting Condition | Trouble Area |
|---|---|---|
| P1616/62 | No communication |
|