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Home >> Lexus >> 2007 >> IS 250 RWD V6-2.5L (4GR-FSE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Antitheft and Alarm Systems >> Alarm Horn >> Testing and Inspection >> Horn Circuit

Horn Circuit

Horn Circuit

DESCRIPTION

When the theft deterrent system is switched from the armed state to the alarm sounding state, the main body ECU RH transmits a signal to cause the horn to sound at intervals of 0.4 seconds.

Wiring Diagram:






Step 1:




INSPECTION PROCEDURE
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