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Home >> Geo >> 1996 >> Prizm Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation 1.6 & 1.8L >> Computerized Engine Controls >> Powertrain Control Module (Pcm)
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Powertrain Control Module (Pcm)

Power for PCM is supplied from 15-amp EFI F-HTR fuse through EFI F-HTR relay, located in relay/fuse box. PCM memory power is supplied from 15-amp EFI F-HTR fuse. PCM distributes power and controls ground of various sensors, switches and solenoids for engine control.

PCM LOCATION

Application Location
Prizm In Front Of Center Console, Under Heater Blower Case
NOTE: Components are grouped into 2 categories. First category is INPUT DEVICES, which are components that control or produce voltage signals monitored by PCM. Second category is OUTPUT SIGNALS, which are components controlled by PCM.