Subaru Outback manuals

Subaru Outback: Relay and Fuse

A: LOCATION

Subaru Outback. HVAC System (Heater, Ventilator and A/C)

NOTE: For other related fuses, refer to the wiring diagram. <Ref. to WI-15, Power Supply Circuit.>

B: INSPECTION

1. CHECK FUSE.

1) Remove the fuse and inspect visually.

2) If the fuse is blown out, replace the fuse.

NOTE: If the fuse is blown again, check the system wiring harness.

2. CHECK RELAY

1) Measure the resistance between blower motor relay terminals.

Subaru Outback. HVAC System (Heater, Ventilator and A/C)

2) Replace the blower motor relay if the inspection result is not within the standard value.

Compressor Oil

A: PROCEDURE

NOTE: Before making repairs, perform the oil return operation to return the compressor oil in circulation with the refrigerant to the compressor.

1) Increase the engine to 1,500 rpm.

2) Turn the A/C switch to ON.

3) Set the temperature control switch or dial to LO (MAX COOL).

4) Turn the FRESH/RECIRC switch to RECIRC position.

5) Turn the airflow adjustment switch or dial to HI (MAX).

6) Leave in this condition for 10 minutes.

B: REPLACEMENT

NOTE:

Blower Motor Unit Assembly

A: REMOVAL

1) Disconnect the ground cable from battery.

2) Using the refrigerant recovery system, discharge refrigerant. <Ref. to AC-24, PROCEDURE, Refrigerant Recovery Procedure.>

3) Drain the coolant from the radiator.

4) Remove the connector and bolts, and remove the high-pressure hose and AC pipe from the expansion valve.

5) Loosen the heater hose clamps and remove the hoses.

Subaru Outback. HVAC System (Heater, Ventilator and A/C)

6) Remove the instrument panel assembly. <Ref. to EI-76, REMOVAL, Instrument Panel Assembly.>

7) Remove the engine control module (ECM).

  1. Release the lock and remove the relay holder.
  2. Remove the nuts, and remove the engine control module (ECM).

Subaru Outback. HVAC System (Heater, Ventilator and A/C)

8) Remove the heater and cooling unit.

  1. Remove the bolt and remove the heater and cooling unit.

Subaru Outback. HVAC System (Heater, Ventilator and A/C)

9) Remove the blower motor unit assembly.

  1. Release the claws and remove the bolts.

Subaru Outback. HVAC System (Heater, Ventilator and A/C)

  1. Remove the blower motor unit assembly as shown in the figure.

Subaru Outback. HVAC System (Heater, Ventilator and A/C)

B: INSTALLATION

CAUTION:

1) Install each part in the reverse order of removal.

NOTE: Refer to "INSTALLATION" of "Instrument Panel Assembly". <Ref. to EI-95, INSTALLATION, Instrument Panel Assembly.>

2) Fill engine coolant.

3) Charge refrigerant. <Ref. to AC-25, PROCEDURE, Refrigerant Charging Procedure.>

Tightening torque:
Heater cooling unit: <Ref. to AC-6, HEATER COOLING UNIT, COMPONENT, General Description.>
Blower motor unit: <Ref. to AC-8, BLOWER MOTOR UNIT, COMPONENT, General Description.>

Blower Motor

A: REMOVAL

1) Disconnect the ground cable from battery.

2) Remove the clips, and remove the glove box under cover.

Subaru Outback. HVAC System (Heater, Ventilator and A/C)

3) Remove the blower motor.

  1. Disconnect the connector.
  2. Remove the screw and remove the blower motor.

Subaru Outback. HVAC System (Heater, Ventilator and A/C)

B: INSTALLATION

Install each part in the reverse order of removal.

C: INSPECTION

1) Check the blower motor operation when battery voltage is applied between the terminals of blower motor.

Subaru Outback. HVAC System (Heater, Ventilator and A/C)

2) If the blower motor does not operate normally, replace the blower motor.

Power Transistor (Auto A/C Model)

A: REMOVAL

1) Disconnect the ground cable from battery.

2) Remove the clips, and remove the glove box under cover.

Subaru Outback. HVAC System (Heater, Ventilator and A/C)

3) Remove the power transistor.

  1. Disconnect the connector.
  2. Remove the screws and remove the power transistor.

Subaru Outback. HVAC System (Heater, Ventilator and A/C)

B: INSTALLATION

Install each part in the reverse order of removal.

Blower Resistor (Manual A/C Model)

A: REMOVAL

1) Disconnect the ground cable from battery.

2) Remove the clips, and remove the glove box under cover.

Subaru Outback. HVAC System (Heater, Ventilator and A/C)

3) Remove the blower resistor.

  1. Disconnect the connector.
  2. Remove the screw and remove the blower resistor.

Subaru Outback. HVAC System (Heater, Ventilator and A/C)

B: INSTALLATION

Install each part in the reverse order of removal.

C: INSPECTION

1) Disconnect the blower resistor connector.

2) Check the resistance between blower resistor terminals.

Preparation tool: Circuit tester

Subaru Outback. HVAC System (Heater, Ventilator and A/C)

3) Replace the blower resistor if the inspection result is not within the standard value.

READ NEXT:

 Heater Core

A: REMOVAL 1) Disconnect the ground cable from battery. 2) Using the refrigerant recovery system, discharge refrigerant. <Ref. to AC-24, PROCEDURE, Refrigerant Recovery Procedure.> 3) Drain t

 Control Panel

A: REMOVAL 1. AUTO A/C MODEL 1) Disconnect the ground cable from battery. 2) Remove the center panel assembly. CAUTION: Do not put your finger on the fin of the air vent grille. Doing so may damage

 Heater and Cooling Unit

A: REMOVAL 1) Disconnect the ground cable from battery. 2) Using the refrigerant recovery system, discharge refrigerant. <Ref. to AC-24, PROCEDURE, Refrigerant Recovery Procedure.> 3) Drain t

SEE MORE:

 Front Drive Shaft

A: REMOVAL 1) Lift up the vehicle, and then remove the front wheels. 2) Remove the axle nut. CAUTION: Do not loosen the axle nut while the front axle is loaded. Doing so may damage the hub bearing. Lift the crimped section of axle nut. Remove the axle nut using a socket wrench while depressing

 Heater Duct

A: REMOVAL 1) Remove the front seats. <Ref. to SE-10, REMOVAL, Front Seat.> 2) Remove the instrument panel face assembly. <Ref. to EI-76, REMOVAL, Instrument Panel Assembly.> 3) Remove the rear heater duct. Pull off the floor carpet to disengage the rear heater duct slide lock. Rel

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