Removal Procedure

Fig 1: Identifying Engine Wiring Harness Electrical Connector

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Turn the ignition OFF.
Using a scan tool, retrieve the percentage of remaining engine oil and the remaining automatic transmission fluid life. Record the remaining engine oil and the remaining automatic transmission fluid life.
Disconnect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECTION AND CONNECTION .
Disconnect the engine wiring harness electrical connector (2) from the ECM.
CAUTION: In order to prevent any possible electrostatic discharge damage to the ECM, do not touch the connector pins.

Fig 2: Identifying Engine Control Module Retainer
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Grasp the ECM retainer and slide the retainer rearward until the retainer disengages from the 4 clips on the battery cover.

Fig 3: Identifying ECM Retainer Clips
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Disengage the clips (1) on the ECM retainer from the ECM, and slide the ECM out of the retainer.