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 front airbag sensors.

PROCEDURE

1. INSPECT FRONT AIRBAG SENSOR (for Vehicle not Involved in Collision)

(a) Perform a diagnostic system check.

for Gasoline Model: Click here

for HV Model: Click here

2. INSPECT FRONT AIRBAG SENSOR (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 the front airbag sensors for defects if the front bumper of the vehicle or the area around the bumper is damaged.

HINT:

The defects are as follows:

• Cracks in the sensor housing
• Dents in the sensor housing
• Chips in the sensor housing
• Cracks or other damage to the connector
• Damage to the serial number

OK:

No defects are found.

If any defects are found, replace the front airbag sensor with a new one.

3. INSPECT FRONT AIRBAG SENSOR (for Vehicle Involved in Collision and Airbag is Deployed)

(a) When airbags have deployed as the result of a collision, be sure to replace all front airbag sensors in the damaged areas (anywhere in need of repair).

(b) Visually check the front airbag sensors in undamaged areas for defects.

HINT:

The defects are as follows:

• Cracks in the sensor housing
• Dents in the sensor housing
• Chips in the sensor housing
• Cracks or other damage to the connector
• Damage to the serial number

OK:

No defects are found.

If any defects are found or a front airbag sensor has detected a major collision, replace the front airbag sensor with a new one.