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Home >> Lexus >> 2001 >> LS 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Body Control Module >> Testing and Inspection >> Component Tests and General Diagnostics >> Body No. 3 Control System >> Headlight Beam Level Control ECU Communication Circuit

Headlight Beam Level Control ECU Communication Circuit

CIRCUIT DESCRIPTION

Passenger side J/B ECU receives error signals from the headlight leveling system. It also sends signals of the alternator, headlight ON and the daytime running light to the Headlight Beam Level Control ECU and operates the headlight beam level control system.

Wiring Diagram:






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INSPECTION PROCEDURE
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