Air Injection Pump Relay: Description and Operation

A.I.R. Pump Wiring Diagram.:

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.