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Home >> Lexus >> 2010 >> 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

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

NOTICE:
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. SHIFT CONTROL SYNCHRONIZATION (for Sport Package) Programming and Relearning

11. PERFORM INITIALIZATION

(a) Perform initialization Testing and Inspection.

NOTICE:
Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
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