LR3 (LA) V8-4.4L (2009)
Engine Control Module: Service and Repair
Engine Control Module (ECM)
Engine Control Module (ECM)
Service Repair No - 18.30.03
Removal
NOTE: If the ECM is to be replaced, the T4 must be connected prior to battery disconnection and on-screen instructions must be followed.
1. Disconnect the battery ground cable.
2. Remove the four-wheel drive control module.
3. Remove the ECM cover.
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Disconnect 2 electrical connectors for access.
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Disconnect the 2 ECM electrical connectors.
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Remove the 4 Torx screws.
4. Remove the ECM.
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Remove the ECM top cover.
Installation
1. Install the ECM.
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Install the ECM cover and secure with Torx screws.
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Install the ECM upper cover.
2. Connect the ECM electrical connectors.
3. Connect the 2 electrical connectors disconnected for access.
4. Install the four-wheel drive control module.
5. Connect the battery ground cable.
6. Connect T4 to calibrate a new ECM.