LS 460 RWD V8-4.6L (1UR-FSE) (2010)
Engine Control Module: Service and Repair
Removal
1UR-FSE ENGINE CONTROL SYSTEM: ECM: REMOVAL
1. REMOVE COWL TOP VENTILATOR LOUVER RH See: Starting and Charging/Charging System/Alternator/Service and Repair/Removal and
Replacement/Removal
2. 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:
After the engine 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 engine switch off, wait 6 minutes or more before disconnecting the cable from the negative
(-) battery terminal.
3. REMOVE AIR CLEANER INLET COVER SUB-ASSEMBLY See: Powertrain Management/Fuel Delivery and Air Induction/Throttle
Body/Service and Repair/Removal
4. REMOVE ENGINE ROOM SIDE COVER LH See: Engine, Cooling and Exhaust/Engine/Service and Repair/Removal and
Replacement/Engine/Removal
5. REMOVE ENGINE ROOM ECU COVER
NOTICE:
*
Wipe off any water on or around the engine room ECU cover.
*
Perform these procedures in a dry place away from rain, etc.
*
Do not allow water to enter the ECM through its connectors areas, screw areas, etc.
(a) Remove the 3 bolts and engine room ECU cover.
6. REMOVE TCM
(a) Disconnect the 4 TCM connectors.
(b) Remove the 2 nuts and TCM.
7. DISCONNECT NO. 2 CONNECTOR HOLDER
(a) Disconnect the 2 engine wire connectors.