DTC B3A01-12: A/C Evaporator Front Magnetic Valve Circuit Short to Battery [08/2023 - ]: Description
The evaporator front magnetic valve (No. 2 magnet valve assembly) is installed to the air conditioning tube and accessory assembly and is open when the ignition switch is turned off. When the ignition switch is turned to ON, the evaporator front magnetic valve (No. 2 magnet valve assembly) opens and closes according to heat pump air conditioning control. When heat pump air conditioning control is performing heating/single battery cooling/gas injection heating, the evaporator front magnetic valve (No. 2 magnet valve assembly) is closed according to signals from the heat pump ECU assembly. When heat pump air conditioning control is performing parallel dehumidification heating, the evaporator front magnetic valve (No. 2 magnet valve assembly) is open.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|---|
| B3A01-12 | A/C Evaporator Front Magnetic Valve Circuit Short to Battery | Diagnosis condition:
Malfunction status:
Detection time:
|
|
Does not come on | Memorized | Air Conditioner | A | - |