Operation CHARM
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Lexus
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1999
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LS 400 V8-4.0L (1UZ-FE)
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Repair and Diagnosis
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Lighting and Horns
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Horn
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Description and Operation
Horn: Description and Operation
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
Step 1:
Step 2:
INSPECTION PROCEDURE