FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Lexus
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2003
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GS 300 L6-3.0L (2JZ-GE)
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Repair and Diagnosis
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Body and Frame
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Body Control Systems
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Body No. 1 Control System
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Horn Circuit
Horn Circuit
CIRCUIT DESCRIPTION
The horn is connected to the Body ECU No. 1 and activated by the Body ECU No. 1 during warning of the theft deterrent system.
Wiring Diagram:
Step 1 - 2:
INSPECTION PROCEDURE