AIR MIX ACTUATOR INSPECTION [FULL-AUTO AIR CONDITIONER]


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L.H.D.

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.

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•  Apply the external power supply.
•  If the operation condition is not normal, replace the air mix actuator.

Terminal

Air mix actuator operation

F

G

B+
Ground
COLD→HOT
Ground
B+
HOT→COLD

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.

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•  If the operation condition and resistance are not normal, replace the air mix actuator.

3.  Install the air mix actuator with the lever position shown in the figure.

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R.H.D.

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.

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•  Apply the external power supply.
•  If the operation condition is not normal, replace the air mix actuator.

Terminal

Air mix actuator operation

F

G

B+
Ground
HOT→COLD
Ground
B+
COLD→HOT

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.

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•  If the operation condition and resistance are not normal, replace the air mix actuator.

3.  Install the air mix actuator with the lever position shown in the figure.

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