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Home >> Suzuki >> 1991 >> Samurai JS >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Control Unit >> Swift (SOHC)
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Swift (SOHC)

The ECM is located under left side of dash. ECM distributes power to all sensors except oxygen and speed sensor, which generate a voltage signal of their own. ECM power (ECM terminal B1) is received from EFI main relay. ECM back-up power (ECM terminal B7) is received from 15-amp taillight fuse.

NOTE: Components are grouped into 2 categories. The first category covers INPUT DEVICES, which control or produce voltage signals monitored by the control unit. The second category covers OUTPUT SIGNALS, which are components controlled by the control unit.
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