Mazda RX-8 Manual page 1651

AIR MIX ACTUATOR INSPECTION
1. Connect battery positive voltage to air mix actuator terminal F (or G), and ground to terminal G (or F),
and then verify that the air mix actuator operates as shown in the table.
If the operation condition is not normal, replace the air mix actuator.
•
Terminal
F G
B+ Ground COLD→HOT
Ground B+
2. Verify that the resistance between terminals A and E, and C and E matches the air mix actuator
operation as shown in the graph.
If the operation condition and resistance are not normal, replace the air mix actuator.
•
Air mix actuator operation
HOT→COLD
(w) RX-8 - HVAC
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