PRE-CRASH SAFETY SYSTEM FAIL-SAFE CHART
Tech Tips
The pre-crash safety system fail-safe function and details are indicated in the table below.
| Cause | Warning Message | Fail-safe Operation | Conditions to Return to Normal Condition |
|---|---|---|---|
| A malfunction exists in part of pre-crash system | "CHECK PCS SYSTEM " | Depending on the malfunction part, pre-crash seat belt, pre-crash brake assist or pre-crash brake operation may stop | Repair malfunctioning part |
| Radiator grille or millimeter wave radar sensor is dirty | "PCS NOT AVAILABLE NOW" | Depending on the dirty part, pre-crash seat belt, pre-crash brake assist or pre-crash brake operation may stop | Clean radiator grille or millimeter wave radar sensor |
| Millimeter wave radar sensor cannot detect possible collision object because of bad weather, such as snow | "PCS NOT AVAILABLE NOW" | Depending on the dirty part, pre-crash seat belt, pre-crash brake assist or pre-crash brake operation may stop | The weather becomes better |
| Overheating prevention function of seat belt control ECU operates*1 | "PCS NOT AVAILABLE NOW" | pre-crash seat belt may stop operating | Temperature of seat belt goes down, and seat belt control ECU becomes operative |
*1: The overheating prevention function operates when the seat belt control ECU detects a rise in seat belt temperature because of excessive seat belt operation.
*2: The pre-crash seat belts operate when sudden braking is detected. The pre-crash seat belts operate when skidding is detected.