Lexus NX: Vehicle Control History
Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Automatic High Beam System / Vehicle Control History
VEHICLE CONTROL HISTORY
CHECK VEHICLE CONTROL HISTORY
HINT:
The vehicle control history data stores the history of the reject function and system protection operations.
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for Triple Beam Headlight:
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for Single Beam Headlight:
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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.
Automatic High Beam Camera (B124C)
DESCRIPTION The main body ECU (multiplex network body ECU) detects a high beam headlight illumination request signal of the automatic high beam system from the forward recognition camera. DTC No.
Lost Communication with Front Camera Module (U023A)
DESCRIPTION These DTCs are stored when the CAN communication system is malfunctioning. DTC No. Detection Item DTC Detection Condition Trouble Area U023A Lost Communication with Front Ca
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Short in Curtain Shield Airbag (RH) Squib Circuit (B1830-B1833)
DESCRIPTION The curtain shield squib RH circuit consists of the airbag ECU assembly and curtain shield airbag assembly RH. The circuit instructs the SRS to deploy when deployment conditions are met. These DTCs are stored when a malfunction is detected in the curtain shield squib RH circuit. DTC N
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use these procedures to troubleshoot the pre-collision system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary battery voltage with the engine
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