Installation

2009 Lexus ES 350 V6-3.5L (2GR-FE)SECTION Installation







SUPPLEMENTAL RESTRAINT SYSTEM: OCCUPANT CLASSIFICATION ECU:

INSTALLATION

1. INSTALL OCCUPANT CLASSIFICATION ECU
(a) Check that the engine switch is off.
(b) Check that the negative battery (-) cable is disconnected.
CAUTION:
Wait for 90 seconds after disconnecting the cable to prevent airbag deployment.





(c) Install the occupant classification ECU with the 2 nuts.
Torque: 3.0 Nm (31 kgf-cm, 27 in-lbf)
(d) Connect the connector.
NOTICE:
- If the occupant classification ECU has been dropped, or there are any cracks, dents or other defects in the case or connector, replace the occupant classification ECU with a new one.
- When installing the occupant classification ECU, be careful that the SRS wiring does not interfere with other parts and that it is not pinched between other parts.

2. INSTALL FRONT SEAT ASSEMBLY RH Installation
3. INSTALL FRONT SEAT REAR INNER TRACK BRACKET COVER RH Installation
4. INSTALL FRONT SEAT REAR OUTER TRACK BRACKET COVER RH Installation
5. INSTALL FRONT SEAT INNER TRACK BRACKET COVER RH Installation
6. INSTALL FRONT SEAT OUTER TRACK BRACKET COVER RH Installation
7. INSTALL FRONT SEAT HEADREST ASSEMBLY
8. CONNECT FRONT SEAT OUTER BELT ASSEMBLY RH Installation
9. INSTALL SEAT BELT ANCHOR COVER CAP RH Installation
10. PERFORM INITIALIZATION
(a) Perform initialization Repair Instruction - Initialization.
HINT: Some systems need initialization after reconnecting the cable to the negative battery terminal.

11. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK
(a) Perform zero point calibration and sensitivity check Initialization.
12. INSPECT FRONT SEAT ASSEMBLY Installation
13. INSPECT SRS WARNING LIGHT
(a) Inspect the SRS warning light Diagnosis System.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.