FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) When a malfunction occurs in the lane control system, a message will be displayed on the multi-information display and, depending on the malfunction, functions of the lane control system will be disabled.
Warning Message | Cause | Fail-safe Operation | Conditions to Return to Normal Condition | |||
---|---|---|---|---|---|---|
Lane Departure Alert Function | Steering Assist Function | Lane Centering Function | Vehicle Sway Warning Function | |||
X: Control is suspended | ||||||
LTA Malfunction Visit Your Dealer | Lane control system is malfunctioning HINT: Click here | X | X | X | X | After system returns to normal, engine switch is turned off and then to on (IG) or LTA main switch is turned off and then to on. |
Front Camera Unavailable | Forward recognition camera temperature out of operating range | X | X | X | X | Forward recognition camera temperature returns to normal |
Abnormal forward recognition camera voltage | X | X | X | X | Forward recognition camera voltage returns to normal | |
Forward recognition camera is temporarily unavailable (forward recognition camera recognition stopped) | X | X | X | X | The conditions which prevent the forward recognition camera from performing recognition return to normal. | |
Front Camera Unavailable See Owner's Manual |
| X | X | X | X | Forward recognition camera or area of windshield glass in front of forward recognition camera is cleaned |
LTA Unavailable | Sensor other than forward recognition camera sensor is temporarily unavailable HINT: Click here | X | X | X | X | Temporarily unavailable sensor becomes available |
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Audio And Visual System (for 12.3 Inch Display): Extension Module Malfunction 2 (B1556)
DESCRIPTION This DTC is stored when a malfunction occurs in the Navigation ECU. DTC No. Detection Item DTC Detection Condition Trouble Area B1556 Extension Module Malfunction 2 When any of the following conditions is met:
Internal power supply malfunction
Internal hard drive ma ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Dynamic Radar Cruise Control System: Road Test
ROAD TEST HINT:
The dynamic radar cruise control system has 2 cruise control modes: constant speed control mode and vehicle-to-vehicle distance control mode.
Vehicle-to-vehicle distance control mode is selected by default when the dynamic radar cruise control system is turned on using the cruis ...