RX 300 FWD V6-3.0L (1MZ-FE) (1999)
b. If DTC of ECU communication stop is output, there is a possibility of connector disconnection or 2 communication buses open. It will not become
abnormal with only communication bus open.
c. If 2 communication buses are open at the position as shown in the illustration, DTC of ECU communication stop between those 2 buses is output.