PRE-CRASH SAFETY SYSTEM FAIL-SAFE CHART

Tech Tips

The pre-crash 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 malfunction part, pre-crash seat belt, pre-crash brake or brake assist system may stop operating Repair malfunctioning part
Radiator grille or millimeter wave radar sensor is dirty "PCS TEMPORARILY NOT AVAILABLE" Depending on dirty part, pre-crash seat belt, pre-crash brake or brake assist system may stop operating*2 Clean radiator grille or millimeter wave radar sensor
Millimeter wave radar sensor cannot detect possible crash object because of bad weather, such as snow "PCS TEMPORARILY NOT AVAILABLE" Depending on dirty part, pre-crash seat belt, pre-crash brake or brake assist system may stop operating*2 The weather becomes better
Overheating prevention function of seat belt control ECU operates*1 "PCS TEMPORARILY NOT AVAILABLE" 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.