Operation CHARM: Car repair manuals for everyone.
Home >> Lexus >> 2009 >> GS 460 V8-4.6L (1UR-FSE) >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Service and Repair >> Removal
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Removal








1UR-FSE ENGINE CONTROL SYSTEM: ECM: REMOVAL

REMOVAL

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait for 90 seconds after disconnecting the cable to prevent the airbag working.
NOTE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected Repair Instruction - Initialization.

2. REMOVE COOL AIR INTAKE DUCT SEAL Removal
3. REMOVE ENGINE ROOM SIDE COVER LH Removal
4. REMOVE V-BANK COVER SUB-ASSEMBLY Removal
5. REMOVE ENGINE ROOM ECU COVER
(a) Remove the 3 bolts and engine room ECU cover.
NOTICE:
- Wipe off any water on or around the engine room ECU cover.
- Perform this step in a dry place away from rain, etc.
- Do not allow water to enter the ECM through its connectors, screws, etc.

6. DISCONNECT WIRE HARNESS





(a) Detach the claw and disconnect the No. 4 connector holder.





(b) Disconnect the 6 ECM connectors.
7. REMOVE ECM





(a) Remove the 2 nuts and ECM.
pro multis · About Operation CHARM