Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b14a8 compressor break-in malfunction low refrigerant

Subaru Legacy BN/BS (2015-2019) Service Manual / Hvac system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc b14a8 compressor break-in malfunction low refrigerant

DTC DETECTING CONDITION:

• Compressor was operated while refrigerant was low.

• Compressor was operated while refrigerant pressure was extremely low.

• Judgment is made only when the delivery mode fuse is installed.

TROUBLE SYMPTOM:

A/C does not operate.

WIRING DIAGRAM:

NOTE:

For the coupling connector, refer to “WIRING SYSTEM”.

Air conditioning system Air Conditioning System > WIRING DIAGRAM

STEP	CHECK	YES	NO
1.CHECK AMOUNT OF REFRIGERANT. Check the refrigerant pressure and filling amount. Refrigerant Pressure with Manifold Gauge Set > PROCEDURE	Is the filling amount a standard value-	Check that DTC B14A3 (open circuit malfunction) or B14A4 (short circuit malfunction) is recorded, and if either one of these DTCs is recorded, perform the diagnosis according to the DTC. If nothing is recorded, replace the compressor. Compressor	Replace the compressor. Compressor

Dtc b14b1 seat heater thermistor circuit open (driver)

DTC DETECTING CONDITION:Open circuit in seat heater thermistor.TROUBLE SYMPTOM:Seat heater LH does not function.WIRING DIAGRAM:NOTE:For the coupling connector, refer to “WIRING SYSTEM”.Sea ...

Dtc b14a7 variable solenoid valve circuit

DTC DETECTING CONDITION:Variable flow change solenoid valve circuit is open or shortedTROUBLE SYMPTOM:Refrigerant pressure cannot be changed.WIRING DIAGRAM:Air conditioning system Air Conditioning Sy ...

Other materials:

Seat heater (if equipped)
The seat heater operates when the ignition switch is in the "ON" position. CAUTION People with delicate skin may suffer slight burns even at low temperatures if they use the seat heater for a long period of time. When using the heater, always be sure to warn th ...