Lexus NX: 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 Warning Function

Lane Departure Restraint Function

Lane Centering Function

Erratic Driving Warning Function

X: Control canceled

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

Lane tracing assist system malfunction detected

X

X

X

X

After the system returns to normal, turn the power switch off → ON or turn the LTA/LDA main switch from off → on

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

Front Camera Unavailable

  • Outside of forward recognition camera guaranteed operating temperature
  • Outside of forward recognition camera guaranteed operating voltage
  • Forward recognition camera is temporarily unavailable (forward recognition camera recognition stopped)

X

X

X

X

  • After forward recognition camera guaranteed operating temperature is restored
  • After forward recognition camera guaranteed operating voltage is restored
  • After forward recognition camera returns to normal

Front Camera Unavailable See Owner's Manual

  • Windshield glass is dirty or fogged up
  • Forward recognition camera is dirty or fogged up

X

X

X

X

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

LTA Unavailable (w/ Lane Centering Function)

Sensor other than the forward recognition camera sensor is temporary unavailable

X

X

X

X

When temporarily unavailable sensor returns to normal

Lane Departure Alert Unavailable (w/o Lane Centering Function)

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DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. Th

 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Lane Tracing Assist System DTC No. Detection Item Link C1A7496 Steering Vibrator Component Internal Failure U012587 Lost Communication With Multi-

 Vehicle Control History

VEHICLE CONTROL HISTORY NOTICE: When checking the vehicle control history, first record the output codes and after clearing the history, check the output history again. CHECK VEHICLE CONTROL HISTORY (

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 Installation

INSTALLATION CAUTION / NOTICE / HINT NOTICE: Do not replace the spiral cable with the battery connected and the power switch on (IG). Do not rotate the spiral cable when the following conditions are met: 1) The steering wheel is removed, 2) the battery is connected, and 3) the power switch on (

 Vehicle Control History

VEHICLE CONTROL HISTORY NOTICE: Make sure to record any output Vehicle Control History codes before clearing them and checking the Vehicle Control History again. CHECK VEHICLE CONTROL HISTORY (DYNAMIC RADAR CRUISE CONTROL SYSTEM) (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (

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