PRE-CRASH SAFETY SYSTEM FAIL-SAFE CHART

Tech Tips

The pre-crash safety 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-collision safety system "CHECK PCS SYSTEM " to "PCS NOT AVAILABLE NOW" Depending on malfunction part, pre-crash safety seat belt or brake assist system may stop operating*2 Repair malfunctioning part
Radiator grille or millimeter wave radar sensor is dirty "PCS NOT AVAILABLE NOW" Depending on dirty part, pre-collision seat belt or brake assist system may stop operating*2 Clean radiator grille or millimeter wave radar sensor
Pre-crash safety sensor cannot detect possible crash object because of bad weather, such as snow "PCS NOT AVAILABLE NOW" Depending on dirty part, pre-crash safety seat belt or brake assist system may stop operating*2 Sensor can detect an object
Overheating prevention function of seat belt control ECU operates*1 "PCS NOT AVAILABLE NOW" Pre-crash safety seat belts 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 safety seat belts operate only with sudden braking.