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

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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:

Basic diagnostic procedure procedure
STEPCHECKYESNO1.PERFORM CUSTOMER INTERVIEW.Using the Check List for Interview, ask the customer the condition of how trouble occurs. Check List for Interview > CHECKDid you interview the customer- Basic Diagnostic Procedure > PROCEDUREInterview the customer. Check List for Interview > CHECK2.CHECK ...