Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000025R2F |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [09/2022 - 11/2022] |
Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (except TMC Made, and Gasoline Model, with Automatic Air Conditioning System): B14BD; Refrigerant Overabundance Filling Malfunction; 2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022] |
DTC
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B14BD
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Refrigerant Overabundance Filling Malfunction
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DESCRIPTION
This DTC is stored if the amount of refrigerant in the in the air conditioning system exceeds a threshold. The air conditioning amplifier assembly judges whether the amount of refrigerant is appropriate based on the detected refrigerant pressure and the compressor assembly with pulley operation current. If the amount of refrigerant in the system is determined to have exceeded a threshold, operation of the compressor assembly with pulley will be stopped, and will remain stopped even if the engine switch is turned off and then the engine is restarted.
DTC No.
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Detection Item
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DTC Detection Condition
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Trouble Area
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Memory
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B14BD
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Refrigerant Overabundance Filling Malfunction
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All of the following conditions are met 2 times or more in the same trip:
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The vehicle speed is 20 km/h or more
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The amount of compressor oil is within the insufficient compressor oil range for 60 seconds or more
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Refrigerant volume
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Memorized
(60 sec. or more)*
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*: The air conditioning amplifier assembly stores this DTC if the malfunction has occurred for the period of time indicated in the brackets.
*a
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Electric Current (mA)
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*b
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Refrigerant Pressure kPa (kgf/cm2, psi)
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PROCEDURE
1.
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RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM
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(a) Recover the refrigerant from the air conditioning system using a refrigerant recovery unit.
Click here
NEXT
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2.
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CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT
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(a) Charge the air conditioning system with refrigerant.
Click here
NEXT |
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END
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