Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU1996LEGACY WAGON 4WD F4-2.2L SOHCREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCONTROL ASSEMBLYDESCRIPTION AND OPERATIONINTAKE DOOR CONTROL
1996 Subaru Legacy Wagon 4WD F4-2.2L SOHC
Intake Door Control
1996 Subaru Legacy Wagon 4WD F4-2.2L SOHCSECTION Intake Door Control
Intake Door Control
Intake door motor is located on the upper part of the intake unit. It opens and closes the intake door with a rod and a link. When the RECIRC switch is set to ON (the RECIRC indicator light), the ground line of the intake door motor is switched to terminal 2 from terminal 1, and the motor starts to rotate because the position switch contacts built into it are set to the current flow position. The contacts turn along with the motor When they reach the non-contact flow position, the motor will stop. The motor always turns in the same direction. When the RECIRC switch is set to OFF (the RECIRC indicator does not light), follow the same operation. When the DEF or DEF/HEAT switch is set to ON (the RECIRC indicator does not light), intake door is open (Fresh position).
Intake door motor is located on the upper part of the intake unit. It opens and closes the intake door with a rod and a link. When the RECIRC switch is set to ON (the RECIRC indicator light), the ground line of the intake door motor is switched to terminal 2 from terminal 1, and the motor starts to rotate because the position switch contacts built into it are set to the current flow position. The contacts turn along with the motor When they reach the non-contact flow position, the motor will stop. The motor always turns in the same direction. When the RECIRC switch is set to OFF (the RECIRC indicator does not light), follow the same operation. When the DEF or DEF/HEAT switch is set to ON (the RECIRC indicator does not light), intake door is open (Fresh position).
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.