chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Relays and Modules - Fuel Delivery and Air Induction > < Initial Inspection and Diagnostic Overview|Page 1940
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Engine Control Module: Service and Repair

When replacing a production Computer with a service Computer, transfer the broadcast code and production number from the production unit to the
service unit. Also during replacement, the PROM, CALPACK, and if equipped, the MEMCAL must be removed from the Computer being replaced and
transferred to the new unit. Refer to PROM, CALPACK and MEMCAL in this section for replacement procedures.

1.

Disconnect battery ground cable.

2.

Then disconnect two computer electrical connectors.

3.

Remove computer mounting hardware.

4.

Remove computer from passenger compartment.

5.

Reverse procedure to install.

Relays and Modules - Fuel Delivery and Air Induction > < Initial Inspection and Diagnostic Overview|Page 1940