Subaru Legacy BN/BS (2015-2019) Service Manual: Electrical component location location

Subaru Legacy BN/BS (2015-2019) Service Manual / Hvac system (diagnostics) / Electrical component location location

1. ENGINE COMPARTMENT

(1)

Pressure sensor

(2)

A/C compressor

(Refrigerant flow sensor, variable flow change solenoid)

(3)

Ambient sensor

2. PASSENGER COMPARTMENT

(1)	Evaporator sensor	(5)	Sunload sensor	(9)	A/C control panel
(2)	Air mix door actuator1 or air mix door actuator LH2	(6)	Intake door actuator	(10)	Air mix door actuator RH*2
(3)	A/C CM	(7)	Mode door actuator	(11)	Rear vent actuator*3
(4)	Blower motor	(8)	In-vehicle sensor

*1: Manual A/C

*2: Auto A/C

*3: With rear seat A/C

Diagnostics with phenomenon inspection

(1) Perform diagnosis according to the diagnosis procedure for the corresponding symptom listed in the symptom table.(2) If there are multiple symptoms, perform the diagnosis in the order of symptom n ...

Inspection mode procedure

It is possible to diagnose the DTC by performing the indicated inspection mode. After correcting the DTC, perform a necessary inspection mode and make sure that the function is resumed correctly and t ...

Other materials:

Dtc b1578 meter
DIAGNOSIS START CONDITION:• Battery voltage is 10 V or more.• The remote engine starter was not used to start the engine.DTC DETECTING CONDITION:Reference code incompatibility between combination meter and body integrated unit or communication failure between body integrated unit and ECM ...