Toyota Tundra Service Manual: Fail-safe Chart

Toyota Tundra Service Manual / Engine, Hybrid System / Cruise Control / Lane Departure Alert System / Fail-safe Chart

FAIL-SAFE CHART

FAIL-SAFE FUNCTION

(a) When a malfunction occurs in the lane departure alert system, a message will be displayed on the multi-information display in the combination meter assembly and the lane departure alert system will be disabled depending on the malfunction.

Warning Message

Cause

Fail-safe Operation

Conditions to Return to Normal Condition

Lane Departure Alert Function

Vehicle Sway Warning

Lane Departure Alert Malfunction Visit Your Dealer

Lane departure alert system is malfunctioning

X

X

After system returns to normal, ignition switch is turned off and then to ON

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

X

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

Front Camera Vision Blocked Clean and Demist Windshield

Forward recognition camera view is unclear

X

X

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

X: Control is suspended

    Dtc Check / Clear

    Freeze Frame Data

    See More:

    Toyota Tundra Service Manual > Lin Communication System: Driver Side Door ECU Communication Stop (B2321)
    DESCRIPTION This DTC is output when LIN communication between the front power window regulator motor assembly LH and main body ECU (multiplex network body ECU) stops for 10 seconds or more. DTC No. DTC Detection Condition Trouble Area B2321 No communication between the front power window regulator m ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0093