LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2001 >> GS 430 >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Systems >> Component Tests >> Anti-Theft Horn
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Anti-Theft Horn

Disconnect anti-theft horn connector (located on right side of engine compartment, on fenderwell). Connect battery positive lead to terminal No. 1 (Pink/Black wire) and negative battery lead to horn body. See WIRING DIAGRAMS . If horn does not operate, replace horn. If horn operates, repair or replace wire harness and connectors between anti-theft horn and body control ECU No. 1.