AIR CONDITIONING SYSTEM(for Automatic Air Conditioning System) DIAGNOSTIC TROUBLE CODE CHART

DTC Code Detection Item Trouble Area Memory See page
B1411/11 Room Temperature Sensor Circuit

- Cooler thermistor (room temperature sensor)

- Harness or connector

- Air conditioning amplifier assembly

DTC stored

Click here

B1412/12 Ambient Temperature Sensor Circuit

- Thermistor assembly (ambient temperature sensor)

- Harness or connector

- Air conditioning amplifier assembly

- Combination meter assembly

- CAN communication system

DTC stored

Click here

B1413/13 Evaporator Temperature Sensor Circuit

- No. 1 cooler thermistor (evaporator temperature sensor)

- Air conditioning harness assembly

- Air conditioning amplifier assembly

DTC stored

Click here

B1423/23 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

-

Click here

B1441/41 Air Mix Damper Control Servo Motor Circuit (Passenger Side)

- No. 1 air conditioning radiator damper servo sub-assembly (air mix servo motor for front passenger side)

- Air conditioning harness assembly

- Air conditioning amplifier assembly

DTC stored

Click here

B1442/42 Air Inlet Damper Control Servo Motor Circuit

- No. 1 blower damper servo sub-assembly (air inlet servo motor)

- Air conditioning harness assembly

- Air conditioning amplifier assembly

DTC stored

Click here

B1443/43 Air Outlet Damper Control Servo Motor Circuit

- No. 2 air conditioning radiator damper servo sub-assembly (air outlet servo motor)

- Air conditioning harness assembly

- Air conditioning amplifier assembly

DTC stored

Click here

B1446/46 Air Mix Damper Control Servo Motor Circuit (Driver Side)

- No. 3 air conditioning radiator damper servo sub-assembly (air mix servo motor for driver side)

- Air conditioning harness assembly

- Air conditioning amplifier assembly

DTC stored

Click here

B1451/51 Compressor Solenoid Circuit

- Compressor with pulley assembly

- Harness or connector

- Air conditioning amplifier assembly

-

Click here

B1497/97 BUS IC Communication Malfunction

- Air conditioning harness assembly

- Harness or connector

- Air conditioning amplifier assembly

DTC stored

Click here

B14A2 Driver Side Solar Sensor Short Circuit

- Automatic light control sensor*1

- Cooler thermistor (solar sensor)*2

- Harness or connector

- Main body ECU*1

- Air conditioning amplifier assembly

DTC stored

Click here

B14B2 Lost Communication with Front Panel LIN

- LIN communication system

- Air conditioning control assembly

- Air conditioning amplifier assembly

DTC stored

Click here

B14B8 Refrigerant Shortage

- Refrigerant pipe line

- Cooler expansion valve

- Air conditioning amplifier assembly

DTC stored

Click here

U0100 Lost Communication with ECM

- CAN communication system

- ECM

- Air conditioning amplifier assembly

DTC stored

Click here

U0131 Lost Communication with Electric Power Steering ECU

- CAN communication system

- Power steering ECU assembly

- Air conditioning amplifier assembly

DTC stored

Click here

U0142 Lost Communication with Main Body ECU

- CAN communication system

- Main body ECU

- Air conditioning amplifier assembly

DTC stored

Click here

U0155 Lost Communication with Combination Meter

- CAN communication system

- Combination meter assembly

- Air conditioning amplifier assembly

DTC stored

Click here