Removal
1.
Remove the air duct.
(Refer to Engine Mechanical System - "Air cleaner")
2.
Remove the battery and the battery tray.
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4WD ECU Power Flow Diagram
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Inspection
Test the horn by connecting battery voltage to the 1 terminal and ground
the 2 terminal.
The horn should make a sound. If the horn fails to make a sound, replace
it.
Horn Relay Inspec ...