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 DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - ACCESSORIES AND OPTIONAL EQUIPMENTCENTRAL CONTROL MODULESERVICE AND REPAIR
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
Central Control Module: Service and Repair
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION Service and Repair
NETWORK GATEWAY ECU
REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
2. REMOVE FRONT DOOR SCUFF PLATE RH
3. REMOVE COWL SIDE TRIM SUB-ASSEMBLY RH
4. REMOVE NO.2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
5. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY
6. REMOVE NETWORK GATEWAY ECU
a. Disconnect the connector.
b. Remove the screw and the network gateway ECU.
INSTALLATION
1. INSTALL NETWORK GATEWAY ECU
a. Install the network gateway ECU with the screw.
b. Connect the connector.
2. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY
3. INSTALL NO.2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
4. INSTALL COWL SIDE TRIM SUB-ASSEMBLY RH
5. INSTALL FRONT DOOR SCUFF PLATE RH
6. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
7. PERFORM INITIALIZATION Testing and Inspection
NOTE: Some systems need initialization when disconnecting the cable from negative battery terminal.
REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
2. REMOVE FRONT DOOR SCUFF PLATE RH
3. REMOVE COWL SIDE TRIM SUB-ASSEMBLY RH
4. REMOVE NO.2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
5. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY
6. REMOVE NETWORK GATEWAY ECU
a. Disconnect the connector.
b. Remove the screw and the network gateway ECU.
INSTALLATION
1. INSTALL NETWORK GATEWAY ECU
a. Install the network gateway ECU with the screw.
b. Connect the connector.
2. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY
3. INSTALL NO.2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
4. INSTALL COWL SIDE TRIM SUB-ASSEMBLY RH
5. INSTALL FRONT DOOR SCUFF PLATE RH
6. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
7. PERFORM INITIALIZATION Testing and Inspection
NOTE: Some systems need initialization when disconnecting the cable from 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.