xB L4-1.5L (1NZ-FE) (2004)
a. Perform a diagnostic system check.
b. Perform a visual check which includes the following items with the horn button assy removed from the vehicle:
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Cuts, minute cracks or marked discoloration on the horn button assy top surface and in the grooved portion.
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Cracks or other damage in the connectors.
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Deformation of the horn button assy.
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Deformation of the horn button contact plate of the steering wheel assy.
HINT:
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If the horn button contact plate of the horn button assy is deformed, never repair it. Always replace the horn button assy with a new one.
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There should be no interference between the horn button assy and steering wheel assy, and the clearance should be uniform all the way around
when the new horn button assy is installed on the steering wheel assy.
CAUTION: For removal and installation procedures of the horn button assy, see "Replacement", and be sure to follow the correct procedure.
Instrument Panel Passenger Airbag
