Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Fail-safe Chart

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Engine / Cruise Control / Lane Departure Alert System (w/ Steering Control)(for Gasoline Model) / Fail-safe Chart

FAIL-SAFE CHART

FAIL-SAFE FUNCTION

(a) When a malfunction occurs in the lane departure alert system (w/ steering control), a message will be displayed on the multi-information display and the lane departure alert system (w/ steering control) will be disabled depending on the malfunction.

Warning Message

Cause

Fail-safe Operation

Conditions to Return to Normal Condition

Lane Departure Alert Function

Steering Control Function

Vehicle Sway Warning Function
X: Control is suspended

Lane Departure Alert Malfunction Visit Your Dealer

Lane departure alert system (w/ steering control) is malfunctioning

X

X

X

After system returns to normal, engine switch is turned off and then on (IG)

Front Camera Unavailable
  • Abnormal forward recognition camera voltage
  • Forward recognition camera temperature outside of operational range
  • Other forward recognition camera malfunction

X

X

X
  • Forward recognition camera temperature returns to normal
  • Forward recognition camera voltage returns to normal
  • Forward recognition camera returns to normal

Front Camera Unavailable Remove Debris On Windshield

Forward recognition camera view is unclear

X

X

X

Forward recognition camera or area of windshield glass in front of forward recognition camera is cleaned

Lane Departure Alert Unavailable

Sensor other than forward recognition camera sensor is temporarily unavailable

X

X

X

Temporarily unavailable sensor becomes available
    Dtc Check / Clear

    Freeze Frame Data

    See More:

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Can Communication System(for Gasoline Model): Open in Bus 1 Main Bus Line
    DESCRIPTION There may be an open circuit in one of the CAN main bus lines when the resistance between terminals 23 (CA1H) and 8 (CA1L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher. Symptom Trouble Area Resistance between terminals 23 (CA1H) and 8 (CA1L) of the central gateway ...

    Toyota Avalon (XX50) 2019-2022 Owners Manual

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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