SUPPLEMENTAL RESTRAINT SYSTEM: OCCUPANT CLASSIFICATION ECU: INSTALLATION; 2007 MY LX470 [08/2006

Last Modified: 7-3-2017	6.8:8.0.40	Doc ID: RM000002AFN009X
Model Year Start: 2007	Model: LX470	Prod Date Range: [08/2006 - ]
Title: SUPPLEMENTAL RESTRAINT SYSTEM: OCCUPANT CLASSIFICATION ECU: INSTALLATION; 2007 MY LX470 [08/2006 - ]

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.

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

3. INSTALL FRONT NO. 1 SEAT CUSHION SHIELD INNER RH

4. INSTALL FRONT SEAT CUSHION SHIELD RH

5. INSTALL FRONT SEAT INNER BELT ASSEMBLY RH

6. INSTALL FRONT SEAT CUSHION SHIELD INNER RH

7. INSTALL FRONT SEAT HEADREST ASSEMBLY

8. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

9. LOAD OCCUPANT CLASSIFICATION ECU DATA

10. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK

11. CHECK SRS WARNING LIGHT

(a) Check SRS warning light .