LS 600h V8-5.0L (2UR-FSE) Hybrid (2008)
Engine Control Module: Service and Repair
Removal
2UR-FSE ENGINE CONTROL SYSTEM: ECM: REMOVAL
REMOVAL
1. REMOVE LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY
2. REMOVE BATTERY SERVICE HOLE COVER LH See: Starting and Charging/Battery
3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat
belt pretensioner activation.
NOTICE:
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When disconnecting the cable, some systems need to be initialized after the cable is reconnected See: Testing and
Inspection/Programming and Relearning/Repair Instruction - Initialization.
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After the power switch is turned OFF, the HDD navigation system requires approximately 6 minutes to record various types of memory
and settings. As a result, after turning the power switch OFF, wait 6 minutes or more before disconnecting the cable from the negative (-)
battery terminal.
4. REMOVE BATTERY SERVICE HOLE COVER
5. REMOVE SERVICE PLUG GRIP See: Hybrid Drive Systems/Battery System, Hybrid Drive/Hybrid Battery Service Switch/Service and
Repair/Removal
6. REMOVE AIR CLEANER INLET COVER SUB-ASSEMBLY See: Engine, Cooling and Exhaust/Engine/Service and Repair/Removal and
Replacement/Engine Assembly/Removal
7. REMOVE ENGINE ROOM SIDE COVER LH See: Engine, Cooling and Exhaust/Engine/Service and Repair/Removal and Replacement/Engine
Assembly/Removal
8. REMOVE ENGINE ROOM ECU COVER
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Wipe off any water on or around the ECU cover.
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Perform these procedures in a dry place away from rain, etc.
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Do not allow water to enter the ECM through its connectors areas, screw areas, etc.
(a) Remove the 3 bolts and ECU cover.
9. REMOVE HYBRID VEHICLE CONTROL ECU