Lexus NX: Illumination for Panel Switch does not Come on with Tail Switch ON

Lexus NX Service Manual / Audio & Visual & Telematics / Audio / Video / Audio And Visual System / Illumination for Panel Switch does not Come on with Tail Switch ON

CAUTION / NOTICE / HINT

NOTICE:

When replacing the radio receiver assembly, always replace it with a new one.

If a radio receiver assembly which was installed to another vehicle is used, the following may occur:

  • A communication malfunction DTC may be stored.
  • The radio receiver assembly may not operate normally.

HINT:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

Click here

PROCEDURE

1.

CHECK VEHICLE SIGNAL (OPERATION CHECK)

(a) Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check.

Click here

(b) Check that the display for "TAIL" changes between ON and OFF according to the light control switch operation.

OK:

Light Control Switch

Display

Tail or head

ON

Off or AUTO

OFF

HINT:

  • This display is updated once per second. As a result, it is normal for the display to lag behind the actual switch operation.
  • Make sure to move the vehicle to a bright area before performing an operation check with the light control switch in the AUTO position.
OK

REPLACE RADIO RECEIVER ASSEMBLY

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

READ NEXT:

 Display does not Dim when Light Control Switch is Turned ON

DESCRIPTION If the audio and visual system is turned on with the light control switch in the tail or head position, before AVC-LAN communication is established, the multi-display assembly dims accordi

 Panel Switches do not Function

CAUTION / NOTICE / HINT NOTICE: When replacing the radio receiver assembly, always replace it with a new one. If a radio receiver assembly which was installed to another vehicle is used, the following

 Screen Flicker or Color Distortion

PROCEDURE 1. CHECK DISPLAY SETTING (a) Reset display settings (contrast, brightness) and check that the screen appears normal. OK: The display returns to normal. OK END (DISPLAY SETTIN

SEE MORE:

 Motor Drive Permission Malfunction (C1451)

DESCRIPTION If air bleeding has not been performed, the skid control ECU (brake booster with master cylinder assembly) stores DTC C1451 to prevent the entry of air due to pump motor operation. DTC C1451 is stored when Invalid Mode is selected, the system will not return to normal until the air bleed

 Rear Window Defogger System does not Operate

DESCRIPTION When the rear window defogger switch on the air conditioning control assembly is pressed, the operation signal is transmitted to the air conditioning amplifier assembly via LIN communication. When the air conditioning amplifier assembly receives the signal, it turns on the defogger relay

© 2016-2026 Copyright www.lexunx.com