Lexus NX: Fail-safe Chart
FAIL-SAFE CHART
AUTOMATIC HIGH BEAM SYSTEM
(a) The main body ECU (multiplex network body ECU) operates in fail-safe mode if an abnormal condition such as those listed below has been detected.
| Item | Abnormality Detection Condition | Return Condition | Warning (Multi-information Display) |
|---|---|---|---|
| Airbag ECU Assembly Signal Malfunction | Normal yaw rate signal is not detected. | Normal yaw rate signal is detected. | "Headlight System Malfunction Visit Your Dealer" message is displayed |
| Speed Sensor Signal Malfunction | Normal speed sensor signal is not detected. | Normal speed sensor signal is detected. | "Headlight System Malfunction Visit Your Dealer" message is displayed |
| CAN Communication System Malfunction | Normal CAN communication system is not detected. | Normal CAN communication system is detected. | "Headlight System Malfunction Visit Your Dealer" message is displayed |
| Forward Recognition Camera Signal Malfunction | Normal forward recognition camera signal is not detected. | Normal forward recognition camera signal is detected. | "Headlight System Malfunction Visit Your Dealer" message is displayed |
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Data List / Active Test
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 Automatic High Beam System DTC No. Detection Item Link B124B Automatic High Beam System B124C Automatic High Beam Camera U023A Lost Com
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VEHICLE CONTROL HISTORY CHECK VEHICLE CONTROL HISTORY HINT: The vehicle control history data stores the history of the reject function and system protection operations.
for Triple Beam Headlight:
C
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Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZING WITH MULTI-DISPLAY ASSEMBLY (a) Turn the power switch on (IG). (b) Using the multi-display assembly, select "Setup", "General", and then feedback force and change the customize setting. Item Default Content Setting Relevant ECU Feedback Force 2 Set
Installation
INSTALLATION PROCEDURE 1. INSTALL LOWER RADIATOR SUPPORT (a) Install the 2 lower radiator supports to the fan shroud. 2. INSTALL RADIATOR SUPPORT CUSHION (a) Install the 2 radiator support cushions to the 2 radiator support sub-assemblies. 3. INSTALL RADIATOR ASSEMBLY (a) Install the radiator assemb
