Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION

CAUTION / NOTICE / HINT

CAUTION:

Be sure to correctly follow the removal and installation procedures for the horn button assembly.

PROCEDURE

1. INSPECT HORN BUTTON ASSEMBLY (for Vehicle not Involved in Collision)

(a) Perform a diagnostic system check.

for Gasoline Model: Click here

for HV Model: Click here

(b) Visually check for defects with the horn button assembly installed to the vehicle.

HINT:

The defects are as follows:

• Cuts on the surface or in the grooves
• Small cracks on the surface or in the grooves
• Significant discoloration on the surface or in the grooves

OK:

No defects are found.

If any defects are found, replace the horn button assembly with a new one.

2. INSPECT HORN BUTTON ASSEMBLY (for Vehicle Involved in Collision and Airbag not Deployed)

(a) Perform a diagnostic system check.

for Gasoline Model: Click here

for HV Model: Click here

(b) Visually check for defects with the horn button assembly removed from the vehicle.

HINT:

The defects are as follows:

• Cuts on the surface or in the grooves
• Small cracks on the surface or in the grooves
• Significant discoloration on the surface or in the grooves
• Cracks or other damage to the connector
• Deformation of the steering wheel assembly
• Deformation of the installation surface of the horn button assembly
• Interference or uneven clearance between the horn button assembly and steering wheel assembly when a new horn button assembly is installed to the steering wheel assembly

OK:

No defects are found.

If any defects are found, replace the horn button assembly or steering wheel assembly with a new one.