FixVault

Fail-Safe Chart

HINT:

The pre-collision system fail-safe function and details are indicated in the table below.

FAIL-SAFE CHART

Cause Warning message Fail-safe Operation Conditions to return to normal condition
A malfunction exists in part of pre-collision safety system "Check PCS" to "PCS DISABLED NOW" Depending on malfunction part, pre-collision seat belt or brake assist system may stop operating(2) Repair malfunctioning part
Radiator grille or millimeter wave radar sensor is dirty "PCS DISABLED 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-collision sensor cannot detect possible crash object because of bad weather, such as snow "PCS DISABLED NOW" Depending on dirty part, pre-collision 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 DISABLED NOW" Pre-collision 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 control ECU temperature because of excessive seat belt operation.

(2) The pre-collision seat belts operate only with sudden braking.