Sorry, and a nice thought but That does not happen on mid-eighties cars. They still used the distributor hall signal and 2.2 components. The CPS/ 2.4 cars have that pre pump feature you are referring to. 1989 was the first year of 2.4 LH.

Here is a handy page for components used and their years for cars in the USA. http://www.nuceng.ca/bill/volvo/database/ecu.htm


On both cars the ECU has to see a cranking signal before the under the glove box system relay turns on the pumps and closes the injectors grounding circuit going back to the ECU.

Phil