Toyota Yaris: Lane Tracing Assist System / Fail-safe Chart

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Engine & Hybrid System / Cruise Control / Lane Tracing Assist System / Fail-safe Chart

FAIL-SAFE CHART

FAIL-SAFE FUNCTION

(a) When a malfunction occurs in the lane tracing assist system, a message is displayed on the multi-information display and control is canceled in accordance with the malfunction.

Warning Message

Cause

Fail-safe Operation

Conditions to Return to Normal Condition

Lane Departure Alert Function

Lane Departure Restraint Function

Lane Centering Function

Vehicle Sway Warning Function

"LTA Malfunction Visit Your Dealer"

Lane tracing assist system is malfunctioning

HINT:

Click here

X

X

X

X

After the system returns to normal, turn the ignition switch off → ON or turn the LTA Main Switch from off → on

"Front Camera Out of Temperature Range Unavailable Wait until Normal Temperature"

Outside of forward recognition camera guaranteed operating temperature

X

X

X

X

Forward recognition camera temperature returns to normal

"Front Camera Unavailable See Owner's Manual"

Outside of forward recognition camera guaranteed operating voltage

X

X

X

X

Forward recognition camera voltage returns to normal

"Front Camera Out of Temperature Range Unavailable Wait until Normal Temperature"

  • Area of windshield glass in front of forward recognition camera is dirty or fogged up
  • Lens of forward recognition camera is dirty or fogged up

X

X

X

X

After dirt or fog is removed from windshield glass and forward recognition camera

"LTA Unavailable"

Sensor other than forward recognition camera sensor is temporarily unavailable

HINT:

Click here

X

X

X

X

When temporarily unavailable sensor returns to normal

  • X: Control is suspended

    Data List / Active Test

    DATA LIST / ACTIVE TEST DATA LIST NOTICE: Some Data List values may vary significantly due to slight measurement errors, differences in the measurement environment, and changes in the vehicle over time, making it difficult to indicate clear evaluation standards...

    Diagnostic Trouble Code Chart

    D..

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