RAM 1500 Truck 2WD V8-5.2L VIN Y (1997)
Oxygen Sensor: Testing and Inspection
Helpful Information
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Along with supplying voltage to the ASD relay contacts, circuit A14 connects to cavity A22 of the PCM.
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Circuit K125 splices to supply voltage to the fuel injectors and ignition coil(s).
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Circuit K4 splices to supply ground for the signals from the following:
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Battery Temperature Sensor
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Camshaft position sensor
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Crankshaft position sensor
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Fuel Level Sensor
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Heated Oxygen Sensors
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Intake air temperature 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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Speed Control Switches
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Transmission Governor Pressure Sensor
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Transmission Temperature Sensor
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Vehicle speed sensor