Memory-Calibration Unit (Mem-Cal) (2.5L): Installation
- Check that new MEM-CAL has same service number as the one being replaced. Place new MEM-CAL in ECM. Press on ends of MEM-CAL until retaining clips snap into ends of MEM-CAL unit.
- DO NOT press on middle of MEM-CAL unit, only the ends. Make sure that small notches in MEM-CAL socket and MEM-CAL are properly aligned. See Figure .
- Reinstall access cover on ECM and reinstall ECM in vehicle. Start engine and ground diagnostic test lead.Watch for trouble Code 51.
- If Code 51 is stored, MEM-CAL is not fully seated in ECM, is installed backward, has bent pins or is defective. If pins are bent and crack when straightened, MEM-CAL must be replaced. If MEM-CAL is installed backward or is defective, it must be replaced.