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Home >> Saturn >> 2008 >> Sky L4-2.4L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Engine Control Module >> Testing and Inspection
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Engine Control Module: Testing and Inspection



Engine Control Module Programming and Setup

The following service procedures require either a programming or a setup event be performed for a complete repair.


ECM Replacement

If the engine control module (ECM) is replaced, the following procedures must be performed:

1. ECM Reprogramming-Refer to Service Programming System (SPS) (Programming and Relearning) .
2. Crankshaft Position (CKP) Variation Learn for 2.4L engine only-Refer to Crankshaft Position System Variation Learn (Service and Repair) .
3. Clutch Pedal Position Sensor Learn-Refer to Clutch Pedal Position Sensor Learn (Programming and Relearning) .



ECM Reprogramming

If the ECM needs to be reprogrammed, refer to Service Programming System (SPS) (Programming and Relearning) .


Setup for Component Replacement For 2.4L Engine Only

The replacement of some components will require a setup procedure for complete repair.


If any of the following components are replaced, a CKP Variation Learn Procedure must be performed. Refer to Crankshaft Position System Variation Learn (Service and Repair) .

* Engine replacement
* Any engine repair that disturbs the CKP sensor or it's relationship with the crankshaft reluctor wheel
* CKP sensor


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