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Home >> Lexus >> 2009 >> LS 460 AWD V8-4.6L (1UR-FSE) >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Service and Repair >> Installation
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Installation








1UR-FSE ENGINE CONTROL SYSTEM: ECM: INSTALLATION

INSTALLATION

1. INSTALL ECM





(a) Install the ECM with the 2 nuts.
Torque: 5.5 Nm (56 kgf-cm, 49 in-lbf)
(b) Connect the 6 ECM connectors.
2. CONNECT NO. 2 CONNECTOR HOLDER





(a) Attach the 2 claws to connect the connector holder.
(b) Connect the 2 engine wire connectors.
3. INSTALL TCM





(a) Install the TCM with the 2 nuts.
Torque: 5.5 Nm (56 kgf-cm, 49 in-lbf)
(b) Connect the 4 TCM connectors.
4. INSTALL ENGINE ROOM ECU COVER





(a) Install the engine room ECU cover with the 3 bolts.
Torque: 5.5 Nm (56 kgf-cm, 49 in-lbf)
5. INSTALL ENGINE ROOM SIDE COVER LH Installation
6. INSTALL AIR CLEANER INLET COVER SUB-ASSEMBLY Installation
7. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
8. INSTALL COWL TOP VENTILATOR LOUVER RH Installation
9. PERFORM RESET MEMORY
NOTE:
Perform the RESET MEMORY (AT initialization) when replacing the automatic transmission assembly, engine assembly or ECM.
- for 2WD: Initialization
- for AWD: Initialization
HINT: Initialization cannot be completed by only removing the battery.

10. PERFORM INITIALIZATION
(a) Perform initialization Repair Instruction - Initialization.
NOTE:
Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
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