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 MANUALSLEXUS2011HS 250H L4-2.4L (2AZ-FXE) HYBRIDREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - TRANSMISSION AND DRIVETRAINRELAYS AND MODULES - CVTCONTROL MODULESERVICE AND REPAIRINSTALLATION
2011 Lexus HS 250h L4-2.4L (2AZ-FXE) Hybrid
Installation
2011 Lexus HS 250h L4-2.4L (2AZ-FXE) HybridSECTION Installation
P311 HYBRID TRANSMISSION / TRANSAXLE: TCM: INSTALLATION
1. INSTALL TRANSMISSION CONTROL ECU ASSEMBLY
(a) Engage the 2 claws to install the transmission control ECU assembly to the ECU integration box.
2. INSTALL ECU INTEGRATION BOX Installation
3. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY Installation
4. INSTALL FRONT PASSENGER SIDE KNEE AIRBAG ASSEMBLY Installation
5. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY Installation
6. INSTALL INSTRUMENT SIDE PANEL RH Installation
7. INSTALL COWL SIDE TRIM BOARD RH
HINT
Use the same procedure as for the LH side Installation.
8. INSTALL FRONT DOOR OPENING TRIM COVER RH
HINT
Use the same procedure as for the LH side Installation.
9. INSTALL FRONT DOOR SCUFF PLATE RH
HINT
Use the same procedure as for the LH side Installation.
10. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL Installation
11. INSTALL LUGGAGE COMPARTMENT FLOOR MAT Installation
12. 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.