Lexus NX: Precaution
PRECAUTION
PRECAUTION WHEN REPLACING HEADLIGHT ECU SUB-ASSEMBLY LH
(a) If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.
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Parts Location
PARTS LOCATION ILLUSTRATION *1 HEADLIGHT ECU SUB-ASSEMBLY LH *2 HEADLIGHT ECU SUB-ASSEMBLY RH *3 HEADLIGHT ASSEMBLY LH - HEADLIGHT UNIT ASSEMBLY LH *4 HEADLIGHT ASSEMBLY RH - HEADL
System Diagram
SYSTEM DIAGRAM
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the AFS (front-lighting adaptive system).
*: Use the Techstream
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
SEE MORE:
Automatic High Beam System (B124B)
DESCRIPTION The main body ECU (multiplex network body ECU) determines the status of the automatic high beam system based on the automatic high beam system signal from the forward recognition camera. DTC No. Detection Item DTC Detection Condition Trouble Area B124B Automatic High Beam
Steering Pad Switch Circuit
DESCRIPTION This circuit sends an operation signal from the steering pad switch assembly to the radio receiver assembly. If there is an open in the circuit, the audio system cannot be operated using the steering pad switch assembly. If there is a short in the circuit, the same condition as when a sw
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