Computerized Engine Controls: Mem-Cal: Installation

1. Install MEM-CAL in MEM-CAL socket. Small notches in the MEM-CAL must be aligned with the small notches in the MEM-CAL socket. See Fig 1 . Press on the ends of the MEM-CAL until the retaining clips snap into the ends of the MEM-CAL. Press the clips into the side of the MEM-CAL until they snap into place. Listen for the click. Do NOT press on the middle of the MEM-CAL, only on the ends.
2. Install access cover on ECM.
3. Install ECM.
4. Connect connectors to ECM.

Fig 1: MEM-CAL Alignment

Courtesy of GENERAL MOTORS CORP.