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

- Combination meter assembly (w/ rear fog light)

- Air conditioning amplifier assembly (w/o rear fog light)

DTC stored

Click here

B1413/13 Evaporator Temperature Sensor Circuit

- No. 1 cooler thermistor

- 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

-

Click here

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

- Air mix servo motor

- Air conditioning harness assembly

- Air conditioning amplifier assembly

DTC stored

Click here

B1442/42 Air Inlet Damper Control Servo Motor Circuit

- 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

- Air outlet servo motor

- Air conditioning harness assembly

- Air conditioning amplifier assembly

DTC stored

Click here

B1451/51 Compressor Solenoid Circuit

- Compressor assembly with pulley

- Harness or connector

- Air conditioning amplifier assembly

-

Click here

B1497/97 BUS IC Communication Malfunction

- Air conditioning harness assembly

- Air conditioning amplifier assembly

-

Click here

B14A2 Driver Side Solar Sensor Short Circuit

- Automatic light control sensor

- Harness or connector

- Main body ECU (multiplex network body ECU)

- 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

- Air conditioner pressure sensor

- Refrigerant pipe line

DTC stored

Click here

U0100 Lost Communication with ECM

- CAN communication system

- ECM

DTC stored

Click here

U0131 Lost Communication with Electric Power Steering ECU

- CAN communication system

- Electric power steering ECU

DTC stored

Click here

U0142 Lost Communication with Main Body ECU

- CAN communication system

- Main body ECU (multiplex network body ECU)

DTC stored

Click here

U0155 Lost Communication with Combination Meter

- CAN communication system

- Combination meter assembly

DTC stored

Click here