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 occupant detection ECU.

PROCEDURE

1. INSPECT OCCUPANT DETECTION ECU (for Vehicle not Involved in Collision)

(a) Perform a diagnostic system check.

for Gasoline Model: Click here

for HV Model: Click here

2. INSPECT OCCUPANT DETECTION ECU (for Vehicle 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 occupant detection ECU.

HINT:

The defects are as follows:

• Cracks in the ECU housing
• Dents in the ECU housing
• Chips in the ECU 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 occupant detection ECU with a new one.