Toyota Corolla Cross: Front Radar Sensor System

 VEHICLE CONTROL HISTORY (RoB)

VEHICLE CONTROL HISTORY (RoB) NOTICE: When checking the vehicle control history, first store the output history and then check the history. CHECK VEHICLE CONTROL HISTORY (a) Following the instructions on the GTS, display the vehicle control history (RoB) check screen and read the codes. Bod

 Check For Intermittent Problems

CHECK FOR INTERMITTENT PROBLEMS HINT: Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the GTS when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), which uses 2