LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2004 >> RX 330 AWD V6-3.3L (3MZ-FE) >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Service and Repair
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Control Module: Service and Repair

REPLACEMENT

1. REMOVE FRONT DOOR SCUFF PLATE RH
2. REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO.2
3. REMOVE GLOVE COMPARTMENT DOOR ASSY

4. REMOVE ECM




a. Remove the 2 wire harness clamps.
b. Disconnect the 5 ECM connectors.
c. Remove the 2 nuts, and then remove the ECM.




d. Remove the 2 screws, and then remove the wire harness clamp bracket.




5. REMOVE ECM BRACKET
a. Remove the 2 screws, and then remove the ECM bracket.




6. REMOVE ECM BRACKET NO.2
a. Remove the 2 screws, and then remove the ECM bracket.

7. INSTALL ECM BRACKET NO.2
8. INSTALL ECM BRACKET
9. INSTALL ECM

Torque: 5.5 N.m (56 kgf.cm, 49 in.lbf)

10. INSTALL GLOVE COMPARTMENT DOOR ASSY
11. INSTALL INSTRUMENT PANEL UNDER COVER SUB-ASSY NO.2
12. INSTALL FRONT DOOR SCUFF PLATE RH