Lexus NX: 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.
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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 | .gif) | 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:
No Response from ID BOX (B2789)
DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and ID code box (immobiliser code ECU) stops for 10 seconds or more. DTC No. Detection Item DTC Detection Condition Trouble Area B2789 No Response from ID BOX No communicatio
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
If the problem only occurs in certain locations or at certain times of day, check for wave interference.
If optional components are installed, check for wave interfere
