HEATING / AIR CONDITIONING AIR CONDITIONING SYSTEM DIAGNOSTIC TROUBLE CODE CHART
Air Conditioning System
DTC No.
Detection Item
DTC Detection Condition
Link
B1412
Ambient Temperature Sensor Circuit
Open or short in ambient temperature sensor circuit
B1413
Evaporator Temperature Sensor Circuit
Open or short in evaporator temperature sensor circuit
B1423
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)
B1451
Compressor Solenoid Circuit
Open or short in compressor solenoid circuit
B14B8
Refrigerant Shortage
When following condition is detected in refrigerant shortage check in normal operation:
Amount of refrigerant is insufficient
U0100
Lost Communication with ECM
No communication with ECM
U0131
Lost Communication with Electric Power Steering ECU
No communication with power steering ECU assembly
U0142
Lost Communication with Main Body ECU
No communication with main body ECU (multiplex network body ECU)