lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Seat Occupant Classification Module - Air Bag|Service and Repair > < Restraints - OCS System Initialization|Page 443
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Seat Occupant Classification Module - Air Bag: Testing and Inspection

SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION ECU: ON-VEHICLE INSPECTION

SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION ECU: ON-VEHICLE INSPECTION

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

(a) Perform a diagnostic system check See: Restraint Systems/Air Bag Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble

Codes/DTC Check / Clear.

2. INSPECT OCCUPANT CLASSIFICATION ECU (VEHICLE INVOLVED IN COLLISION)

(a) Perform a diagnostic system check See: Restraint Systems/Air Bag Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble

Codes/DTC Check / Clear.

(b) Even if an airbag was not deployed, check if there is any damage to the occupant classification ECU. If there are any following defects, replace

the occupant classification ECU with a new one:
-

Cracks, dents or chips on the case.

-

Cracks or other damage to the connector.

CAUTION: Be sure to follow the correct removal and installation procedures of the occupant classification ECU.

Seat Occupant Classification Module - Air Bag|Service and Repair > < Restraints - OCS System Initialization|Page 443