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 - POWER AND GROUND DISTRIBUTIONPOWER DISTRIBUTION MODULESERVICE AND REPAIRREMOVAL
2011 Lexus HS 250h L4-2.4L (2AZ-FXE) Hybrid
Removal
2011 Lexus HS 250h L4-2.4L (2AZ-FXE) HybridSECTION Removal
POWER DISTRIBUTION: POWER MANAGEMENT CONTROL ECU: REMOVAL
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing Service Precautions.
NOTICE:
After the power switch is turned off, the display and navigation module display (HDD navigation system) records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 60 seconds before disconnecting the cable from the negative (-) battery terminal.
2. REMOVE LUGGAGE COMPARTMENT FLOOR MAT Removal
3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL Removal
4. REMOVE FRONT DOOR SCUFF PLATE RH
HINT
Use the same procedure for the RH side and LH side Removal.
5. REMOVE FRONT DOOR OPENING TRIM COVER RH
HINT
Use the same procedure for the RH side and LH side Removal.
6. REMOVE COWL SIDE TRIM BOARD RH
HINT
Use the same procedure for the RH side and LH side Removal.
7. REMOVE INSTRUMENT SIDE PANEL RH Removal
8. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY Removal
9. REMOVE FRONT PASSENGER SIDE KNEE AIRBAG ASSEMBLY Removal
10. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY Removal
11. REMOVE ECU INTEGRATION BOX RH
(a) Disconnect each connector.
(b) Disengage the clamp and disconnect the wire harness.
(c) Remove the bolt, 2 nuts and ECU integration box RH.
12. REMOVE POWER MANAGEMENT CONTROL ECU
(a) Disengage the 2 claws and remove the power management control ECU as shown in the illustration.
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.