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Home >> Lexus >> 2000 >> LS 400 V8-4.0L (1UZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Body Control Module >> Testing and Inspection >> Component Tests and General Diagnostics >> Horn Circuit
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Horn Circuit

CIRCUIT DESCRIPTION
The horn is connected to the Body ECU and activated by the Body ECU during warning of the theft deterrent system.

Wiring Diagram:






Steps 1 - 2:




INSPECTION PROCEDURE
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