IS 250C V6-2.5L (4GR-FSE) (2011)
Seat Occupant Sensor: Service and Repair
Occupant Classification ECU
Components
SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION ECU: COMPONENTS
Removal
SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION ECU: REMOVAL
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing See: Restraint Systems/Air Bag Systems/Service Precautions.
NOTICE:
*
w/ Navigation System for HDD:
After the engine switch is turned off, the display and navigation module display (HDD navigation system) records various types of
memory and settings. As a result, after turning the engine switch off, make sure to wait at least 60 seconds before disconnecting
the cable from the negative (-) battery terminal.
*
When replacing the occupant classification ECU, perform registration See: Restraint Systems/Testing and
Inspection/Programming and Relearning/Registration.
*
When replacing the occupant classification ECU, perform zero point calibration and sensitivity check See: Restraint
Systems/Testing and Inspection/Programming and Relearning/Initialization.
2. REMOVE FRONT SEAT ASSEMBLY RH
HINT
Refer to the procedure up to Remove Front Seat Assembly See: Body and Frame/Seats/Service and Repair/Removal and
Replacement/Front Seat Assembly/Removal.
Use the same procedure for the RH side and LH side.
3. REMOVE OCCUPANT CLASSIFICATION ECU
(a) Disconnect the connector.
NOTICE:
When disconnecting any airbag connector, take care not to damage the airbag wire harness.