Lexus NX: Automatic Headlight Beam Level Control System (for Triple Beam Headlight)
Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Automatic Headlight Beam Level Control System (for Triple Beam Headlight)
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Initialization
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Fail-safe Chart
- Freeze Frame Data
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Vehicle Speed Sensor Malfunction (B2415)
- Height Control Sensor Malfunction (B2416,B241A)
- Headlight Beam Level Control Motor LH Malfunction (B2417,B2418)
- Headlight Leveling Motor LH Communication Malfunction (B2424,B2410,B2411,B2425)
- Initialization has not been Performed (B2450)
- Height Control Sensor Data Out of Range When Initializing (B2452)
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Parts Location
PARTS LOCATION ILLUSTRATION *1 REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH *2 BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY (SKID CONTROL ECU) *3 HEADLIGHT ASSEMBLY LH - HEADLIGHT ECU SUB
System Diagram
SYSTEM DIAGRAM
System Description
SYSTEM DESCRIPTION AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL (a) General The automatic headlight beam level control system ensures forward visibility and prevents dazzling of drivers in oncoming and prec
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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE:
If the auxiliary battery voltage is low, the climate control seat 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, inspect the auxiliary batte
Inspection
INSPECTION PROCEDURE 1. INSPECT ACCELERATION SENSOR (a) Connect 3 1.5 V dry cell batteries in series. (b) Connect a positive (+) lead from the batteries to terminal 3 (SGB) and a negative (-) lead to terminal 2 (SGG). (c) Measure the voltage according to the value(s) in the table below. Standard Vol
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