When the air intake control switch is depressed (switch indicator illuminates), almost all outside air flow into the vehicle is shut off and air inside the vehicle is recirculated.
This position can be used temporarily for maximum heating or cooling (if equipped with air conditioning) and to help prevent undesirable outside air flow into the vehicle.
Outside (Fresh) Air Position
When the air intake control switch is not illuminated air enters the ventilation system from outside the vehicle. Use this position for normal ventilation and heating.
Schematic Diagrams
Circuit Diaram
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Installation
1.
Apply a light coat of engine
oil to the oil cooler packing surface (A), and then install the oil cooler
with fix bolt (B).
Tightening torque:44.1
~ 53.9 N.m (4.5 ~ ...