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

Subaru Legacy BN/BS (2015-2019) Service Manual / Hvac system (heater ventilator and a c) / Relay and fuse / 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.

Terminal No.	Inspection conditions	Standard	Circuit
1 — 4	Always	1 M- or more
1 — 4	Apply battery voltage between terminals 2 and 3.	Less than 1 -

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

Location

Main fuse box (M/B)Fuse 15 A (blower motor relay)(A)Fuse 15 A (blower motor relay)(B)Fuse & relay box (F/B)Fuse 15 A (blower motor relay, intake door actuator, A/C control module)(C)Fuse 7.5 A (A/C co ...

Sunload sensor (auto a c model)

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Other materials:

Dtc p0037 a/f / o2 heater control circuit low bank 1 sensor 2
DTC DETECTING CONDITION:Detected when two consecutive driving cycles with fault occur.CAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and Inspection Mode Inspection Mode > PROCEDURE.WIRING DIAGRAM:• Engine Electrical System ENGINE T ...