HVAC System (Diagnostics)
- Basic Diagnostic Procedure
- General Description
- Electrical Component Location
- Auto A/C Control Module I/O Signal
- Diagnostics with Phenomenon
- List
- Inspection
- Nothing Is Displayed On The Screen Or Indicators Do Not Illuminate
- Air Conditioner Does Not Stop Even When The Off Switch Is Pressed
- The Windshield Glass Is Not Cleared Even When The Def Switch Is Pressed
- Cold Air Not Emitted
- Warm Air Not Emitted
- 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
- Air Goes Out Of Control
- Cold Air Does Not Come Out Even When The A/C Switch Is Pressed. The Glass Cannot Be Defogged. (Compressor Does Not Operate.)
- Unable To Switch Suction Vents
- Unable To Switch Vents
- Illumination Does Not Come On Or Cannot Dim
- Subaru Select Monitor
- Diagnostic Trouble Code (DTC)
- Clear memory
- Data Monitor
- Diagnostic Procedure for Subaru Select Monitor Communication
- List of 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 B14A1 SUNLOAD Sensor Circuit Low/Open
- DTC B14A2 SUNLOAD Sensor Circuit Short-Circuit
- DTC B14E1 Air Mix Door Actuator Stepping Motor Circuit Open (Driver)
- DTC B14E2 Air Mix Door Actuator Stepping Motor Circuit Short-Circuit (Driver)
- DTC B14E3 Air Mix Door Actuator Stepping Motor Circuit Open (Passenger)
- DTC B14E4 Air Mix Door Actuator Stepping Motor Circuit Short-Circuit (Passenger)
- DTC B14E5 Mode Door Actuator Stepping Motor Circuit Open
- DTC B14E6 Mode Door Actuator Stepping Motor 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 U0073 Control Module Communication Bus Off
- DTC U0100 Lost Communication With ECM/Pcm "A"
- DTC U0101 Lost Communication With TCM
- 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 U0401 Invalid Data Received From ECM/Pcm "A"
- DTC U0402 Invalid Data Received From TCM
- 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