AIR MIX ACTUATOR INSPECTION


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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 with the lever movement within the range shown in the figure.

1.  Connect battery positive voltage to terminal A or F and ground to terminal F or A of the air mix actuator.

2.  Verify that the air mix actuator operates as shown below.

•  If there is any malfunction, replace the air mix actuator.

Connection

Movement

B+

GND

A
F
MAX HOT → MAX COLD
F
A
MAX COLD → MAX HOT

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3.  Verify that the resistance between terminals B and E, B and C matches the air mix actuator operation as shown in the graph.

•  If there is any malfunction, replace the air mix actuator.
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