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 MANUALSLEXUS2006RX 400H AWD V6-3.3L (3MZ-FE) HYBRIDREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGSERVICE AND REPAIR
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
Heating and Air Conditioning: Service and Repair
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION Service and Repair
Air Conditioning Amplifier:
AIR CONDITIONER AMPLIFIER ASSEMBLY
REMOVAL
1. REMOVE CABLE FROM NEGATIVE BATTERY TERMINAL
2. REMOVE FRONT DOOR SCUFF PLATE RH
3. REMOVE COWL SIDE TRIM RH SUB-ASSEMBLY
4. REMOVE INSTRUMENT PANEL UNDER COVER NO.2 SUB-ASSEMBLY
5. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY
6. REMOVE HYBRID VEHICLE CONTROL ECU
7. REMOVE AIR CONDITIONER AMPLIFIER ASSEMBLY
a. Disconnect the connectors.
b. Remove the 2 nuts and air conditioner amplifier assembly.
INSTALLATION
1. INSTALL AIR CONDITIONER AMPLIFIER ASSEMBLY
a. Install the air conditioner amplifier assembly with the 2 nuts.
2. INSTALL HYBRID VEHICLE CONTROL ECU
3. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY
4. INSTALL INSTRUMENT PANEL UNDER COVER NO.2 SUB-ASSEMBLY
5. INSTALL SIDE TRIM RH SUB-ASSEMBLY
6. INSTALL FRONT DOOR SCUFF PLATE RH
7. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
8. PERFORM INITIALIZATION
NOTE: Some systems need initialization when disconnecting the cable from the negative battery terminal.
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.