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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 Diagnostic Trouble Code Chart

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 Vehicle Control History

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 Parts Location

PARTS LOCATION ILLUSTRATION *1 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH *2 MAP LIGHT ASSEMBLY *3 SLIDE ROOF SWITCH *4 SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY - SLIDING ROOF ECU - SLIDE MOTOR *5 COMBINATION METER ASSEMBLY *6 INSTRUMENT PANEL JUNCTION BLOCK ASSEM

 Removal

REMOVAL PROCEDURE 1. PRECAUTION CAUTION: Be sure to read Precoution thoroughly before serving. Click here NOTICE: After the power switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal. Click here 2. REMOVE NO. 3 DECK BOARD SUB-ASSEMBLY

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