plymouth Workshop Repair Guides

Plymouth Workshop Service and Repair Manuals

Oxygen Sensor|Testing and Inspection > < Upstream Oxygen Sensor Connector|Page 3785
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Circuit Z1 provides ground for the upstream heated oxygen sensor. Circuit Z12 provides ground for the downstream heated oxygen sensor.

Helpful Information
Circuit A142 splices to supply voltage to the fuel injectors, ignition coil and generator field.

Circuit K4 also splices to supply ground for the signals from the following:
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Crankshaft position sensor

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Camshaft position sensor

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Throttle position sensor

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Manifold absolute pressure sensor

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Engine coolant temperature sensor

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Knock sensor

-

Intake air temperature sensor

Oxygen Sensor|Testing and Inspection > < Upstream Oxygen Sensor Connector|Page 3785