Engine Control Module Programming and Setup - LF1, LFW, or LFX
The following service procedures require either a programming or a setup event performed for a complete repair.
ECM Replacement
If the engine control module (ECM) is replaced, the following procedures must be performed:
- ECM Reprogramming--Refer to Service Programming System (SPS) .
- Theft Deterrent--Refer to Immobiliser System Component Programming .
- The CKP System Variation Learn--Refer to Crankshaft Position System Variation Learn .
- The Throttle/Idle Learn procedure--Refer to
Throttle/Idle Learn : LF1, LFW, LFX .
- Engine Oil Life Remaining--When available, use a scan tool to reset the Engine Oil Life Remaining back to the original percentage recorded before the module was replaced.
- Transmission Fluid Life Remaining--When available, use the scan tool to reset the Transmission Fluid Life Remaining back to the original percentage recorded before the module was replaced.
ECM Reprogramming
• | Engine Oil Life Remaining--When available, use a scan tool to reset the Engine Oil Life Remaining back to the original percentage recorded before the module was reprogrammed. |
| Note: After programming, perform the following to avoid future misdiagnosis: |
• | Turn the ignition OFF for 30 seconds. |
• | Turn the ignition ON with the engine OFF. |
• | Use the scan tool in order to retrieve history DTCs from all modules. |
• | Clear all history DTCs. |
Setup for Component Replacement
The replacement of some components will require a setup procedure for complete repair.
If any of the following components are replaced, the CKP Variation Learn Procedure must be performed. Refer to Crankshaft Position System Variation Learn .
• | Any engine repair that disturbs the CKP sensor or its relationship with the crankshaft reluctor wheel |
If the throttle body is replaced or a throttle body cleaning procedure is completed, the Throttle/Idle Learn Procedure must be performed. Refer to
Throttle/Idle Learn : LF1, LFW, LFX .
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