Lexus NX: System Description
SYSTEM DESCRIPTION
HEADUP DISPLAY SYSTEM DESCRIPTION
HINT:
- The meter mirror sub-assembly receives signals from the combination meter assembly via the CAN communication line. Information is displayed on the front window based on received signals.
- The meter mirror sub-assembly receives navigation-related signals from the radio receiver assembly via the local bus communication line. Information is displayed on the front window based on received signals.
(a) The headup display system receives signals from each ECU via CAN communication and local bus communication and displays driving assist information, such as current vehicle speed, on the windshield glass assembly. The brightness and position of the headup display can be changed on the settings screen of the multi-information display. Depending on certain conditions, the following items can be displayed on the headup display:
(b) Headup display function
(1) Information can be displayed on the front window glass by pressing the headup display switch assembly (HUD main switch) on the instrument panel.
| Display | Line |
|---|---|
| Vehicle Speed | CAN communication line |
| Sport Mode | CAN communication line |
| Eco Drive Indicator | CAN communication line |
| Turn-by-turn Navigation (w/ Navigation System) | Local bus communication line |
| Audio | Local bus communication line |
| Speed Limit Display | Local bus communication line |
| Dynamic Radar Cruise Control Warning (w/ Dynamic Radar Cruise Control System) | CAN communication line |
| Lane Departure Alert Warning (w/ Lane Departure Alert System) | CAN communication line |
| Pre-collision Warning (w/ Pre-collision System) | CAN communication line |
| Intelligent Clearance Sonar Warning (w/ Intelligent Clearance Sonar System) | CAN communication line |
| G Monitor (for F-SPORT) | CAN communication line |
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Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE HEADUP DISPLAY SYSTEM (a) Customizing with the Techstream (1) Connect the Techstream to the DLC3. (2) Turn the power switch on (IG). (3) Turn the Techstream on. (4) Ente
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the headup display system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptom are listed in order of
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Voice is not Recognized
PROCEDURE 1. CHECK CONDITION (a) While paying attention to the condition of the spoken voice command, perform a voice recognition operation. OK: Voice command is recognized normally. HINT:
When the voice command is recognized, the content of the voice command is displayed in the voice r
Precaution
PRECAUTION FOR OPERATION OF ELECTRICAL ITEMS RESTRICTED NOTICE:
If the auxiliary battery voltage is low, the seat heater system may not operate. When "High Power Consumption / Partial Limit On AC/Heater Operation" is displayed on the multi-information display in the combination meter assembly, in
