Last Modified: 4-30-2014 6.6 A Doc ID: RM000002AFN003X
Model Year: 2006 Model: LX470 Prod Date Range: [01/2006 -           ]
Title: SUPPLEMENTAL RESTRAINT SYSTEM: OCCUPANT CLASSIFICATION ECU: INSTALLATION; 2006 MY LX470 [01/2006 -        ]

INSTALLATION

NOTICE:

  • Never use SRS parts from another vehicle. When replacing the parts, replace them with new ones.
  • Never reuse an occupant classification ECU involved in a collision when the airbag has deployed.
  • If the occupant classification ECU has been dropped, or there are any cracks, dents or other defects in the case, bracket or connector, replace it with a new one.
  • When installing the occupant classification ECU, make sure that the SRS wiring does not interfere with other parts and that it is not pinched between other parts.
  • After installing the occupant classification ECU, check that there is no looseness.
  • Remove the front seat cushion cover pad and front seat cushion cover together in order to avoid occupant classification sensor malfunctions.
  • Replace the occupant classification ECU, occupant classification sensor, seat cushion cover pad, seat cushion cover and seat cushion seat heater as a set.

1. INSTALL OCCUPANT CLASSIFICATION ECU

NOTICE:

Replace the occupant classification ECU, occupant classification sensor, seat cushion cover pad, seat cushion cover and seat cushion seat heater as a set.

(a) Check that the ignition switch is OFF.

(b) Check that the cable of the negative battery (-) terminal is disconnected.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

(c) Install the ECU to the bracket with the 2 bolts.

Torque:

3.0 N·m {31 kgf·cm, 27in·lbf}

(d) Install the bracket with the 2 bolts.

(e) Connect the connector to the occupant classification ECU.

NOTICE:

  • If the occupant classification ECU has been dropped, or there are any cracks, dents or other defects in the case or connector, replace it with a new one.
  • When installing the occupant classification ECU, make sure that the SRS wiring does not interfere with other parts and that it is not pinched between other parts.
  • When replacing the occupant classification ECU, replace the bolt with a new one.

2. INSTALL FRONT SEAT CUSHION ASSEMBLY 2006 MY LX470 [01/2006 -        ]; SEAT: FRONT SEAT ASSEMBLY: REASSEMBLY+

3. INSTALL FRONT NO. 1 SEAT CUSHION SHIELD INNER RH 2006 MY LX470 [01/2006 -        ]; SEAT: FRONT SEAT ASSEMBLY: REASSEMBLY+

4. INSTALL FRONT SEAT CUSHION SHIELD RH 2006 MY LX470 [01/2006 -        ]; SEAT: FRONT SEAT ASSEMBLY: REASSEMBLY+

5. INSTALL FRONT SEAT INNER BELT ASSEMBLY RH 2006 MY LX470 [05/2005 -        ]; SEAT BELT: FRONT SEAT INNER BELT ASSEMBLY: INSTALLATION+

6. INSTALL FRONT SEAT CUSHION SHIELD INNER RH 2006 MY LX470 [01/2006 -        ]; SEAT: FRONT SEAT ASSEMBLY: REASSEMBLY+

7. INSTALL FRONT SEAT HEADREST ASSEMBLY

8. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

9. LOAD OCCUPANT CLASSIFICATION ECU DATA 2006 MY LX470 [01/2006 -        ]; SUPPLEMENTAL RESTRAINT SYSTEM: OCCUPANT CLASSIFICATION SYSTEM: REGISTRATION+

10. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK 2006 MY LX470 [01/2006 -        ]; SUPPLEMENTAL RESTRAINT SYSTEM: OCCUPANT CLASSIFICATION SYSTEM: REGISTRATION+

11. CHECK SRS WARNING LIGHT

(a) Check SRS warning light 2006 MY LX470 [05/2005 -        ]; SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: DIAGNOSIS SYSTEM .