LS 460 V8-4.6L (1UR-FSE) (2007)
Engine Control Module: Removal and Replacement
REMOVAL
1. REMOVE COWL TOP VENTILATOR LOUVER RH
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.
NOTE: 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
4. REMOVE ENGINE ROOM SIDE COVER LH
5. REMOVE ENGINE ROOM ECU COVER
NOTE:
-
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. REMOVE ECM