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Home >> Toyota >> 2017 >> Corolla L >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning System (Auto A/C) - Diagnostics - Introduction (Model Code: ZRE172) >> AIR CONDITIONING SYSTEM (For Automatic Air Conditioning System) >> Diagnostic Trouble Code Chart [08/2013 - 08/2016] >> Diagnostic Trouble Code Chart [08/2013 - 08/2016]
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Diagnostic Trouble Code Chart [08/2013 - 08/2016]

AIR CONDITIONING SYSTEM (FOR AUTOMATIC AIR CONDITIONING SYSTEM)

DTC No. Detection Item DTC Detection Condition Link
B1411/11 Room Temperature Sensor Circuit Open or short in room temperature sensor circuit Refer to DTC B1411/11: Room Temperature Sensor Circuit [08/2013 - ]
B1412/12 Ambient Temperature Sensor Circuit Open or short in ambient temperature sensor circuit Refer to DTC B1412/12: Ambient Temperature Sensor Circuit [08/2013 - ]
B1413/13 Evaporator Temperature Sensor Circuit Open or short in evaporator temperature sensor circuit Refer to DTC B1413/13: Evaporator Temperature Sensor Circuit [08/2013 - ]
B1422/22 Compressor Lock Sensor Circuit Open or short in air conditioning lock sensor circuit (for 2ZR-FAE) Refer to DTC B1422/22: Compressor Lock Sensor Circuit [08/2013 - ]
B1423/23 Pressure Sensor Circuit
  • Open or short in air conditioner pressure sensor circuit
  • Refrigerant pressure on high pressure side is extremely low (176 kPa (1.8 kgf/cm2 , 26 psi) or less) or extremely high (3025 kPa (30.8 kgf/cm2 , 439 psi) or more)
Refer to DTC B1423/23: Pressure Sensor Circuit [08/2013 - ]
B1441/41 Air Mix Damper Control Servo Motor Circuit (Passenger Side) Air mix damper position sensor value does not change even if air conditioning amplifier assembly operates air mix damper servo sub-assembly Refer to DTC B1441/41: Air Mix Damper Control Servo Motor Circuit (Passenger Side) [08/2013 - ]
B1442/42 Air Inlet Damper Control Servo Motor Circuit Air inlet damper position sensor value does not change even if air conditioning amplifier assembly operates recirculation damper servo sub-assembly Refer to DTC B1442/42: Air Inlet Damper Control Servo Motor Circuit [08/2013 - ]
B1443/43 Air Outlet Damper Control Servo Motor Circuit Air outlet damper position sensor value does not change even if air conditioning amplifier assembly operates mode damper servo sub-assembly Refer to DTC B1443/43: Air Outlet Damper Control Servo Motor Circuit [08/2013 - ]
B1451/51 Compressor Solenoid Circuit Open or short in compressor solenoid circuit Refer to DTC B1451/51: Compressor Solenoid Circuit [08/2013 - ]
B1497/97 BUS IC Communication Malfunction Error or open in communication line Refer to DTC B1497/97: BUS IC Communication Malfunction [08/2013 - ]
B14A2 Driver Side Solar Sensor Short Circuit Short in cooler (solar sensor) thermistor circuit Refer to DTC B14A2: Driver Side Solar Sensor Short Circuit [08/2013 - ]
B14B2 Lost Communication with Front Panel LIN Lost communication with air conditioning control assembly Refer to DTC B14B2: Lost Communication with Front Panel LIN [08/2013 - 08/2016]
B14B8 Refrigerant Shortage When following condition is detected in refrigerant shortage check in normal operation:
Amount of refrigerant is insufficient
Refer to DTC B14B8: Refrigerant Shortage [08/2013 - ]
U0100 Lost Communication with ECM No communication with ECM Refer to DTC U0100: Lost Communication with ECM; DTC U0131: Lost Communication with Electric Power Steering ECU; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter [08/2013 - 08/2016]
U0131 Lost Communication with Electric Power Steering ECU No communication with electric power steering ECU assembly Refer to DTC U0100: Lost Communication with ECM; DTC U0131: Lost Communication with Electric Power Steering ECU; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter [08/2013 - 08/2016]
U0142 Lost Communication with Main Body ECU No communication with main body ECU (multiplex network body ECU) Refer to DTC U0100: Lost Communication with ECM; DTC U0131: Lost Communication with Electric Power Steering ECU; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter [08/2013 - 08/2016]
U0155 Lost Communication with Combination Meter No communication with combination meter assembly Refer to DTC U0100: Lost Communication with ECM; DTC U0131: Lost Communication with Electric Power Steering ECU; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter [08/2013 - 08/2016]