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Engine Control Module: Service and Repair

How to Remove the ECM/PCM for Testing

If the inspection for a trouble code requires voltage or resistance checks at the ECM/PCM connectors, remove the ECM/PCM and test it:
1. Disconnect the negative cable from the battery.
2. Remove the passenger's dashboard lower cover (A).




3. Remove the ECM/PCM mounting bolts (B) and the ECM/PCM (C).
4. Install the ECM/PCM in the reverse order of removal.
5. Reconnect the negative cable to the battery.
6. Do the idle learn procedure.
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