Aerio L4-2.3L (2006)
Engine Control Module: Service and Repair
Engine Control Module (ECM) Removal and Installation
CAUTION: As ECM consists of precision parts, be careful not to expose it to excessive shock.
NOTE: If ECM is replaced with new one (VIN data is still not registered) or with used one (VIN data of other vehicle has been registered previously),
make sure that reregister VIN data correctly by performing VIN Registration. Otherwise, MIL remains on even if the engine started or it causes the
inconsistency between registered VIN data in ECM and actual VIN. See: Testing and Inspection/Programming and Relearning/VIN Registration
Removal
1. Disconnect battery negative cable at battery.
2. Disable air bag system, refer to Disabling Air Bag System:Advanced Air Bag or Disabling Air Bag System:Except Advanced Air Bag.
3. Remover glove box.
4. Disconnect connectors (1) from ECM while releasing connectors lock.
5. Remove ECM from body after removing its nuts (2).
NOTE: Be careful not to damage ventilation duct.
Installation
Reverse removal procedure noting the following:
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Connect connectors to ECM securely until a click is heard.
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When installing each part, be careful not to catch any cable or wiring harness.
