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LEMON is the spiritual successor to CHARM, I recommend you try it!
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Engine Control Module: Service and Repair
How to Remove the ECM/PCM for TestingIf the inspection for a trouble code requires voltage or resistance checks at the ECM/PCM connectors, remove the ECM/PCM and test it:
1.
Remove the passenger's dashboard lower cover (A).
2.
Remove the ECM/PCM mounting bolts (B) and the ECM/PCM (C).