Section 25 (HVAC System (Diagnostics) (HEV))
WARNING: This page is about a different variant/trim than selected.
- Basic Diagnostic Procedure
- Check List for Interview
- General Description
- Electrical Component Location
- Control Module I/O Signal
- Inspection Mode
- Diagnostic Procedure for Subaru Select Monitor Communication
- Data Monitor
- Freeze Frame Data
- Active Test
- Customize
- Diagnostic Trouble Code (DTC)
- Diagnostic Procedure with Diagnostic Trouble Code (DTC)
- DTC B1430: In-Vehicle (Post Evaporator) Temperature Sensor Circuit Open
- DTC B1431: In-Vehicle (Post Evaporator) Temperature Sensor Circuit Short-Circuit
- DTC B1432: Ambient Temperature Sensor Circuit Open (Air-Conditioner)
- DTC B1433: Ambient Temperature Sensor Circuit Short-Circuit (Air-Conditioner)
- DTC B1434: Evaporator Temperature Sensor Circuit Open
- DTC B1435: Evaporator Temperature Sensor Circuit Short-Circuit
- DTC B1438: Mode Door Actuator Circuit Open
- DTC B1439: Mode Door Actuator Circuit Short-Circuit
- DTC B1440: Air Mix Door Actuator Circuit Open (Driver)
- DTC B1442: Air Mix Door Actuator Circuit Short-Circuit (Driver)
- DTC B1443: Mode Door Actuator Circuit Stuck
- DTC B1446: Air Mix Door Actuator Circuit Stuck (Driver)
- DTC B1450: Low-Pressure Solenoid Valve Circuit/Open
- DTC B1451: High-Pressure Solenoid Valve Circuit/Open
- DTC B1452: Heating Expansion Valve Circuit/Open
- DTC B1453: Cooling Expansion Valve Circuit/Open
- DTC B1454: Indoor Condenser Exit Temperature Sensor Circuit Open
- DTC B1455: Indoor Condenser Exit Temperature Sensor Circuit Short
- DTC B1456: Outdoor Condenser Exit Temperature Sensor Circuit Open
- DTC B1457: Outdoor Condenser Exit Temperature Sensor Circuit Short
- DTC B1458: Discharge Temperature Sensor Circuit Open
- DTC B1459: Discharge Temperature Sensor Circuit Short
- DTC B145A: Evaporator Exit Temperature Sensor Circuit Open
- DTC B145B: Evaporator Exit Temperature Sensor Circuit Short
- DTC B145C: Heat Pump Ecu Communication
- DTC B145D: Refrigerant Pressure
- DTC B1470: A/C Inverter High Voltage
- DTC B1471: A/C Inverter High Voltage Output
- DTC B1473: A/C Inverter Hardware
- DTC B1474: A/C Inverter Temperature
- DTC B1475: A/C Inverter Load
- DTC B1476: A/C Inverter Low Voltage
- DTC B1477: A/C Inverter Local Communication
- DTC B14A1: SUNLOAD Sensor Circuit Low/Open
- DTC B14A2: SUNLOAD Sensor Circuit Short-Circuit
- DTC B14A3: Refrigerant Pressure Sensor Circuit Open
- DTC B14A4: Refrigerant Pressure Sensor Circuit Short-Circuit
- DTC B14E7: Heater Core Sensor Circuit Open
- DTC B14E8: Heater Core Sensor Circuit Short-Circuit
- DTC B14E9: Intake Door Actuator Circuit Open
- DTC B14EA: Intake Door Actuator Circuit Short-Circuit
- DTC B14EB: Intake Door Actuator Stuck
- DTC U0028: Heater Control Panel Communication Error
- DTC U0073: Control Module Communication Bus Off
- DTC U0100: Lost Communication With ECM/Pcm "A"
- DTC U0122: Lost Communication With Vehicle Dynamics Control Module
- DTC U0140: Lost Communication With Body Control Module
- DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module
- DTC U0293: Lost Communication With Hybrid Powertrain Control Module
- DTC U0401: Invalid Data Received From ECM/Pcm "A"
- DTC U0416: Invalid Data Received From Vehicle Dynamics Control Module
- DTC U0422: Invalid Data Received From Body Control Module
- DTC U0423: Invalid Data Received From Instrument Panel Cluster Control Module
- DTC P1C7C-49: Hybrid/EV Battery Voltage System Isolation (A/C Area) Internal Electronic Failure
- Diagnostics with Phenomenon
- List
- Inspection
- Air Inlet Selection Indicator Blinks
- Nothing Is Displayed On The Screen Or Indicators Do Not Illuminate
- Air Conditioner Does Not Stop Even When The On/Off Switch Turned To Off
- The Windshield Glass Is Not Cleared Even When The Def Switch Is Turned To On
- Cold Air Not Emitted
- Warm Air Not Emitted
- 7 Compartment Temperature Is Excessively Lower Than Setting Temperature
- Compartment Temperature Is Excessively Higher Than Setting Temperature
- Air Does Not Come Out, Or Airflow Capacity Is Insufficient. (Blower Motor Does Not Rotate)
- Air Goes Out Of Control. (Blower Motor Rotates At High Speed)
- Cold Air Does Not Come Out Even When The A/C Switch Is Pressed. The Glass Cannot Be Defogged. (Compressor Does Not Operate (Electric))
- Unable To Switch Suction Vents
- Unable To Switch Vents
- Illumination Does Not Come On, Or Cannot Dim
- Remote climate control (RCC) DOES NOT OPERATE NORMALLY