Lexus IS250 IS220d GSE20 ALE20 - SUPPLEMENTAL RESTRAINT SYSTEM
REAR AIRBAG SENSOR - INSTALLATION
1. INSTALL REAR AIRBAG SENSOR |
Check that the engine switch is off.
Check that the battery negative (-) terminal is disconnected.
- CAUTION:
- After disconnecting the negative battery terminal, wait for at least 90 seconds before starting the operation.

Install the rear airbag sensor with the bolt.
- Torque:
- 9.0 N*m{ 92 kgf*cm, 80 in.*lbf}
- NOTICE:
Check that there is no looseness in the installation parts of the rear airbag sensor.
Connect the connector.
2. INSTALL REAR SEAT SIDE GARNISH |

Engage the 5 claws and install the rear seat side garnish LH.
3. INSTALL REAR DOOR SCUFF PLATE |

Engage the 2 clips.

Engage the 5 claws and install the rear door scuff plate LH.
4. INSTALL REAR SEATBACK ASSEMBLY |

Place the seatback in the cabin.
- NOTICE:
- Be careful not to damage the vehicle body.
Install the seatback with the 4 bolts.
- Torque:
- 18 N*m{ 184 kgf*cm, 13 ft.*lbf}
Pass the 3 seat belts through and close the cap of the 2 rear seat shoulder belt guides.
Install the floor anchor part with the bolt.
5. INSTALL REAR SEAT CENTER HEADREST ASSEMBLY |
6. INSTALL REAR SEAT HEADREST ASSEMBLY |
7. INSTALL REAR SEAT CUSHION ASSEMBLY |

Attach the 2 rear hooks of the seat cushion to the seatback.
Attach the 2 front hooks of the seat cushion to the vehicle body.
Confirm that the seat cushion is firmly installed.
- NOTICE:
- When installing the seat cushion, make sure the seat belt buckle is not under the seat cushion.
8. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL |
9. PERFORM INITIALIZATION |
Perform initialization .
- HINT:
- Some systems need initialization when disconnecting the cable from the negative battery terminal.
10. INSPECT SRS WARNING LIGHT |
Inspect the SRS warning light .