Mazda 3 Service Manual: Air Intake Actuator Inspection [Full Auto Air Conditioner]

Mazda 3 Service Manual / HVAC / A/C / Air Intake Actuator Inspection [Full Auto Air Conditioner]

1. Connect battery positive voltage to air intake actuator terminal B (or C), connect terminal C (or B) to ground, and then verify that the air intake actuator operates as shown in the table.

If the operation condition is not normal, replace the air intake actuator.


Terminal		Air intake actuator operation
B	C	Air intake actuator operation
B+	Ground	FRESH → RECIRCULATE
Ground	B+	RECIRCULATE → FRESH

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Air Intake Actuator Inspection [Manual Air Conditioner]

1. Connect battery positive voltage to air intake actuator terminal B (or C), connect terminal C (or B) to ground, and then verify that the air intake actuator operates as shown in the table. ...

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