Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLEXUS2012IS 250C V6-2.5L (4GR-FSE)REPAIR AND DIAGNOSISRESTRAINTS AND SAFETY SYSTEMSAIR BAG SYSTEMSAIR BAG CONTROL MODULESERVICE AND REPAIRINSTALLATION
2012 Lexus IS 250C V6-2.5L (4GR-FSE)
Installation
2012 Lexus IS 250C V6-2.5L (4GR-FSE)SECTION Installation
SUPPLEMENTAL RESTRAINT SYSTEMS: CENTER AIRBAG SENSOR ASSEMBLY: INSTALLATION
1. INSTALL CENTER AIRBAG SENSOR ASSEMBLY
(a) Check that the engine switch is off.
(b) Check that the cable is disconnected from the negative (-) battery terminal.
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
(c) Install the center airbag sensor assembly with the 2 bolts and nut.
Text in Illustration
Torque : 18 Nm (178 kgf-cm, 13 ft-lbf)
NOTICE:
* If the center airbag sensor assembly 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 center airbag sensor assembly, be careful that the SRS wiring does not interfere with or is not pinched between other parts.
* When the engine switch is first turned on (IG) after the center airbag sensor assembly has been replaced, make sure that no one is in the vehicle.
(d) Connect the connectors to the center airbag sensor assembly as shown in the illustration.
NOTICE:
When connecting any airbag connector, take care not to damage the airbag wire harness.
(e) Check that the waterproof sheet is properly set.
(f) Check that there is no looseness in the installation parts of the center airbag sensor assembly.
2. INSTALL CONSOLE BOX Installation
3. INSTALL CONSOLE BOX REGISTER ASSEMBLY (w/o Ashtray) Installation
4. INSTALL CONSOLE BOX REGISTER ASSEMBLY (w/ Ashtray) Installation
5. INSTALL REAR ASH RECEPTACLE ASSEMBLY (w/ Ashtray) Installation
6. INSTALL FRONT ASH RECEPTACLE BOX SUB-ASSEMBLY (w/ Ashtray) Installation
7. INSTALL INSTRUMENT PANEL COIN BOX (w/o Ashtray) Installation
8. INSTALL CONSOLE PANEL SUB-ASSEMBLY (for Automatic Transmission) Installation
9. INSTALL UPPER NO. 2 CONSOLE PANEL GARNISH (for Automatic Transmission) Installation
10. INSTALL UPPER NO. 1 CONSOLE PANEL GARNISH (for Automatic Transmission) Installation
11. INSTALL FRONT CONSOLE PANEL SUB-ASSEMBLY (for Manual Transmission) Installation
12. INSTALL REAR CONSOLE PANEL SUB-ASSEMBLY (for Manual Transmission) Installation
13. INSTALL SHIFT LEVER KNOB SUB-ASSEMBLY (for Automatic Transmission) Installation
14. INSTALL SHIFT LEVER KNOB SUB-ASSEMBLY (for Manual Transmission) Installation
15. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
16. PERFORM DIAGNOSTIC SYSTEM CHECK
(a) Perform a diagnostic system check Reading and Clearing Diagnostic Trouble Codes.
17. 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.