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Home >> Saab >> 1993 >> 9000 L4-2290cc 2.3L DOHC Turbo EFI >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Description and Operation >> ECM Output Signals >> Engine Speed
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Engine Speed

Engine Speed:





An engine speed signal (Td) is sent from pin 58 of the ECM to pin 3 of the tachometer (rev counter) and to pin 5 of the TSI instrument.
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