PRE-CRASH SAFETY SYSTEM FAIL-SAFE CHART


  1. 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
    Malfunction exists in part of pre-crash safety system

    "Check PCS System" or

    "PCS Not available now"

    Depending on the malfunctioning part, the pre-crash safety seat belts or the brake assist system may stop operating.*1 Repair the malfunctioning part
    Radiator grille or millimeter wave radar sensor is dirty "PCS Not available now" Depending on the amount of dirt on the radiator grille or millimeter wave radar sensor, the pre-crash safety seat belts or the brake assist system may stop operating.*1 Clean the radiator grille or millimeter wave radar sensor
    Pre-crash sensor cannot detect possible crash object because of bad weather, such as snow "PCS Not available now" Depending on the amount of dirt on the radiator grille, the pre-crash safety seat belts or the brake assist system may stop operating.*1 Sensor can detect an object
    Overheating prevention function of seat belt control ECU operates*2 "PCS Not available now" The pre-crash safety seat belts may stop operating. Temperature of the seat belt goes down, and the seat belt control ECU becomes operative

    Tech Tips


    • *1: The pre-crash safety seat belts operate only with sudden braking.

    • *2: The overheating prevention function operates when the seat belt control ECU detects a rise in seat belt control ECU temperature because of excessive seat belt operation.