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Air Injection Pump Relay: Description and Operation
Secondary Air Pump Circuit.:
PURPOSE The
PCM controls operation of the electric air pump
relay which in turn controls air availability to the air injection system.
OPERATION The
PCM completes the ground to the coil side of the
relay. The relay in turn activates the electric air pump.
LOCATION The A.I.R. electric Air Pump
relay is located in the underhood electrical center.
