GX 470 V8-4.7L (2UZ-FE) (2004)
Repairs and Inspections Required After a Collision: Service and Repair
Air Bag Systems
ON-VEHICLE INSPECTION
1. HORN BUTTON ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)
(a) Perform a diagnostic system check. (See Diagnostic Strategies.)
(b) With the horn button assembly installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the horn
button assembly with a new one:
Cuts, minute cracks or marked discoloration on the horn button assembly top surface or in the grooved portion.
2. HORN BUTTON ASSEMBLY (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED)
(a) Perform a diagnostic system check (See Diagnostic Strategies).
(b) With the horn button assembly removed from the vehicle, perform a visual check. If there are any defects as mentioned below, replace the horn
button assembly or steering wheel assembly with a new one:
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Cuts, minute cracks or marked discoloration on the horn button assembly top surface or in the grooved portion
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Cracks or other damage to the connectors
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Deformation of the steering wheel assembly
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Deformation of the horn button contact plate of the horn button assembly