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 system	"CHECK PCS SYSTEM" to "PCS NOT AVAILABLE 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 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-collision sensor cannot detect possible crash object because of bad weather, such as snow	"PCS NOT AVAILABLE 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 NOT AVAILABLE NOW"	Pre-collision seat belts	Temperature of seat belt goes down, and seat belt control ECU becomes operative
HINT: 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.