Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection

Subaru Legacy BN/BS (2015-2019) Service Manual / Hvac system (heater ventilator and a c) / Mode door actuator / Inspection

1. ACTUATOR LINK

1. Visually check the operating range of the link, and remove the foreign matter if any.

2. Operate the mode change switch, and check that the link operates normally.

3. If it does not operate normally as the result of inspection, perform a unit inspection of motor - actuator mode.

2. CHECK ACTUATOR OPERATION

1. Check the actuator operation when battery voltage is applied between the connector terminals.

CAUTION:

Disconnect the battery immediately after the actuator stops operation. Otherwise, the motor may be damaged.

Terminal No.	Inspection conditions	Operating position
4 (+) — 5 (−)	Apply battery voltage.	DEF
5 (+) — 4 (−)	Apply battery voltage.	FACE

2. Measure the resistance between connector terminals.

Preparation tool:

Circuit tester

Terminal No.	Inspection conditions	Operating position
1 — 3	Always	4.2 — 7.8 -

3. Connect the connector, turn the ignition switch to ON, and check the voltage between actuator terminals.

Terminal No.	Inspection conditions	Operating position
2 (+) — 1 (−)	FACE	Approx. 4 V
2 (+) — 1 (−)	DEF	Approx. 1 V

4. Replace the motor - actuator mode if it is found defective as a result of inspection.

Removal

1. Disconnect the ground terminal from battery sensor. NOTE2. Remove the cover assembly - instrument panel LWR driver. Instrument Panel Lower Cover > REMOVAL3. Remove the bolts, and then remove the ...

Installation

1. When replacing the actuator with a new part, apply a thin coat of grease evenly to the contact area (a) inside the rail of link plate by using approx. 5 mm (0.2 in) width and approx. 0.1 g (0.004 o ...

Other materials:

Disassembly
1. Remove the throttle body. Throttle Body > REMOVAL2. Remove the EGR pipe. EGR Pipe > REMOVAL3. Remove the EGR control valve. EGR Control Valve > REMOVAL4. Remove the purge control solenoid valve. Purge Control Solenoid Valve > REMOVAL5. Remove the manifold absolute pressure sensor. Manifold A ...