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Home >> Lexus >> 2010 >> IS 250 AWD V6-2.5L (4GR-FSE) >> Repair and Diagnosis >> Cruise Control >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> Dynamic Radar Cruise Control System >> Fail-Safe Chart

Fail-Safe Chart





CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: FAIL-SAFE CHART

1. Constant speed control mode and vehicle-to-vehicle distance control mode:





If the following conditions are detected while the dynamic radar cruise control system is in operation, the system clears the stored vehicle speed in the ECM and cancels the dynamic radar cruise control operation.





2. Vehicle-to-vehicle distance control mode:





If the following conditions are detected while the dynamic radar cruise control system is in operation, the system clears the stored vehicle speed in the ECM and cancels the dynamic radar cruise control operation.





3. Vehicle-to-vehicle distance control mode:





If the following conditions are detected while the dynamic radar cruise control system is in operation, the system maintains the stored vehicle speed in the ECM and cancels the dynamic radar cruise control operation.





4. Constant speed control mode and vehicle-to-vehicle distance control mode:

If the following conditions are detected while the dynamic radar cruise control system is in operation, the system clears the stored vehicle speed and cancels the dynamic radar cruise control operation.





*1: In the constant speed control mode, the stored vehicle speed in the ECM is maintained.