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2006
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Tundra 2WD V8-4.7L (2UZ-FE)
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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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Component Tests and General Diagnostics
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Body Control System
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Horn Circuit
Horn Circuit
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 horn switch is turned on.
Wiring Diagram:
Step 1-3:
INSPECTION PROCEDURE