Lexus NX: System Diagram
SYSTEM DIAGRAM
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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
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the automatic headlight beam level control system (for Triple Beam Headlight).
*: Use the Techstream
PROCEDURE 1.
Initialization
INITIALIZATION NOTICE:
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during headlight
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Vehicle Specifications have not been Stored (B2451)
DESCRIPTION This DTC is output if the vehicle variation information is not written to the headlight ECU sub-assembly LH. The headlight ECU sub-assembly LH outputs DTC B2451. DTC No. Detection Item DTC Detection Condition Trouble Area B2451 Vehicle Specifications have not been Stored
Seat Belt Buckle Switch (LH) (B1656)
DESCRIPTION The seat belt buckle switch LH circuit consists of the airbag ECU assembly and front seat inner belt assembly LH. DTC B1656 is stored when a malfunction is detected in the seat belt buckle switch LH circuit. DTC No. Detection Item DTC Detection Condition Trouble Area B1656
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