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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5
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AIRFLOW MODE ACTUATOR INSPECTION [MANUAL AIR CONDITIONER]

CAUTION:

  • If the lever position exceeds the operation range shown in the figure, the circuit in the actuator could be damaged. Always perform an actuator operation inspection with the lever movement within the range shown in the figure.

1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.)
2. Remove the airflow mode actuator. (See AIRFLOW MODE ACTUATOR REMOVAL/INSTALLATION [MANUAL AIR CONDITIONER].)
3. Apply battery positive voltage and connect the ground to the airflow mode actuator terminals as indicated in the table below and verify the operation condition.

B+ Terminal

Ground Terminal

Operation

A

B

VENT → DEFROSTER

B

A

DEFROSTER → VENT

4. Verify that the resistance between terminals D and E, E and F matches the airflow mode actuator operation as shown in the graph.

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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5

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