Vehicle Interior

On-vehicle Inspection

~1min read
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT

CAUTION:

Be sure to follow the correct removal and installation procedures for the occupant classification ECU.

PROCEDURE

1. CHECK OCCUPANT CLASSIFICATION ECU (VEHICLE NOT INVOLVED IN COLLISION)

(a) Perform a diagnostic system check (See page ).


2. CHECK OCCUPANT CLASSIFICATION ECU (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)

(a) Perform a diagnostic system check (See page ).


(b) Visually check for the following defects of the occupant classification ECU:

  • Cracks on the ECU housing
  • Dents on the ECU housing
  • Chips on the ECU housing
  • Cracks or other damage to the connector
  • Damage to the serial number

OK:

No defects are found.

HINT:

If any of the defects is found, replace the occupant classification ECU with a new one.

3. CHECK OCCUPANT CLASSIFICATION ECU (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS DEPLOYED)

(a) Perform a diagnostic system check (See page ).


(b) Visually check for the following defects of the occupant classification ECU:

  • Cracks on the ECU housing
  • Dents on the ECU housing
  • Chips on the ECU housing
  • Cracks or other damage to the connector
  • Damage to the serial number

OK:

No defects are found.

HINT:

If any of the defects is found, replace the occupant classification ECU with a new one.

Test yourself

A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.