| DTC Code | Detection Item | Trouble Area | Memory*2 | See page |
|---|---|---|---|---|
| B1412*1 | Ambient Temperature Sensor Circuit | - Thermistor assembly (ambient temperature sensor) - Harness or connector - Air conditioning amplifier assembly - Combination meter assembly - CAN communication system |
DTC stored | |
| B1413 | Evaporator Temperature Sensor Circuit | - No. 1 cooler thermistor (Evaporator temperature sensor) - Harness or connector - Air conditioning amplifier assembly |
DTC stored | |
| B1423 | Pressure Sensor Circuit | - Air conditioner pressure sensor - Harness or connector - Cooler expansion valve - Cooler condenser assembly - Cooler dryer - Refrigerant pipe line - Air conditioning amplifier assembly - Amount of Refrigerant (too much or Insufficient) - Cooling fan system |
- | |
| B1451 | Compressor Solenoid Circuit | - Compressor with pulley assembly - Harness or connector - Air conditioning amplifier assembly |
- | |
| B14B8 | Refrigerant Shortage | - Refrigerant pipe line - Cooler expansion valve - Air conditioning amplifier assembly |
DTC stored | |
| U0100 | Lost Communication with ECM | - CAN communication system - ECM - Air conditioning amplifier assembly |
DTC stored | |
| U0131 | Lost Communication with Electric Power Steering ECU | - CAN communication system - Power steering ECU assembly - Air conditioning amplifier assembly |
DTC stored | |
| U0142 | Lost Communication with Main Body ECU | - CAN communication system - Main body ECU - Air conditioning amplifier assembly |
DTC stored | |
| U0155 | Lost Communication with Combination Meter | - CAN communication system - Combination meter assembly - Air conditioning amplifier assembly |
DTC stored |
Tech Tips
*1: If the ambient temperature is approximately -52.9°C (- 63.22°F) or lower, DTC B1412 may be output even though the system is normal.
*2: The air conditioning amplifier memorizes the DTC of the respective malfunction if it has occurred for the period of time indicated in the brackets.
| DTC Code | Detection Item | Trouble Area | Memory*3 | See page |
|---|---|---|---|---|
| B1412*1*2 | Ambient Temperature Sensor Circuit | - Thermistor assembly (ambient temperature sensor) - Harness or connector - Air conditioning amplifier assembly - Combination meter assembly - CAN communication system |
DTC stored | |
| U0100*1 | Lost Communication with ECM | - CAN communication system - ECM - Air conditioning amplifier assembly |
DTC stored | |
| U0131*1 | Lost Communication with Electric Power Steering ECU | - CAN communication system - Power steering ECU assembly - Air conditioning amplifier assembly |
DTC stored | |
| U0142*1 | Lost Communication with Main Body ECU | - CAN communication system - Main body ECU - Air conditioning amplifier assembly |
DTC stored | |
| U0155*1 | Lost Communication with Combination Meter | - CAN communication system - Combination meter assembly - Air conditioning amplifier assembly |
DTC stored |
*1: w/ PTC Heater
Tech Tips
*2: If the ambient temperature is approximately -52.9°C (- 63.22°F) or lower, DTC B1412 may be output even though the system is normal.
*3: The air conditioning amplifier memorizes the DTC of the respective malfunction if it has occurred for the period of time indicated in the brackets.