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Home >> Lexus >> 2009 >> SC 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Service and Repair >> Removal
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Removal








3UZ-FE ENGINE CONTROL SYSTEM: ECM: REMOVAL

REMOVAL

1. 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.

2. REMOVE ECM BOX COVER





(a) Remove the 3 bolts and ECM box cover.
- Make sure there is no water and / or foreign matter around the ECM box cover.
- Perform the inspection indoors to avoid rain.
- Prevent water from contacting the ECM's connectors and screw areas.





3. REMOVE ECM
(a) Disconnect the 5 ECM connectors.
(b) Remove the 2 nuts and ECM from the ECM box.
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