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Home >> Saturn >> 1992 >> SL L4-1.9L DOHC VIN 7 >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> Output Functions
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Output Functions


Vehicle Speed Sensor Wiring.:








The PCM supplies an output to the instrument cluster (speedometer/odometer), the passive restraint module and the cruise control module (if applicable). This signal is 5000 pulses/mile, representing the divided down vehicle speed. It is a square wave signal from 0 to 12 volts.

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