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.
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.