AIR CONDITIONING SYSTEM DIAGNOSTIC TROUBLE CODE CHART

Air Conditioning System
DTC Code Detection Item Trouble Area Memory*3 See page
B1411/11*1 Room Temperature Sensor Circuit

1. Room temperature sensor

2. Harness or connector between room temperature sensor and A/C amplifier

3. A/C amplifier

Memorized

(4 sec. or more)

Click here

B1412/12*2 Ambient Temperature Sensor Circuit

1. Ambient temperature sensor

2. Harness or connector between ambient temperature sensor and A/C amplifier

3. A/C amplifier

Memorized

(4 sec. or more)

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B1413/13 Evaporator Temperature Sensor Circuit

1. Evaporator temperature sensor

2. Air conditioning harness

3. A/C amplifier

Memorized

(4 sec. or more)

Click here

B1423/23 Pressure Sensor Circuit

1. A/C pressure sensor

2. Harness or connector between A/C pressure sensor and A/C amplifier

3. A/C amplifier

4. Expansion valve (blocked, stuck)

5. Condenser (blocked, deterioration of cooling capacity due to dirt)

6. Cooler dryer (moisture in the refrigerant cycle cannot be absorbed)

7. Cooling fan system (condenser cannot be cooled down)

8. A/C system (leaks, blocked)

 -

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

1. Air mix control servo motor

2. Air conditioning harness

3. A/C amplifier

Memorized

(30 sec. or more)

Click here

B1442/42 Air Inlet Damper Control Servo Motor Circuit

1. Air inlet control servo motor

2. Air conditioning harness

3. A/C amplifier

Memorized

(30 sec. or more)

Click here

B1443/43 Air Outlet Damper Control Servo Motor Circuit

1. Air outlet control servo motor

2. Air conditioning harness

3. A/C amplifier

Memorized

(30 sec. or more)

Click here

B1471/71 A/C Inverter High Voltage Power Resource System Malfunction

1. Electric vehicle fuse

2. No. 2 engine wire (harness or connector between compressor with motor assembly and inverter with converter assembly)

3. Compressor with motor assembly

4. Hybrid control system

5. CAN communication system

 Memorized

Click here

B1472/72 A/C Inverter High Voltage Output System Malfunction

1. Compressor with motor assembly

2. CAN communication system

 Memorized

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B1473/73 A/C Inverter Start-up Signal System Malfunction

1. Harness or connector between power management control ECU and compressor with motor assembly

2. Compressor with motor assembly

3. Power management control ECU

4. Hybrid control system

5. CAN communication system

 -

Click here

B1474/74 A/C Inverter Malfunction

1. Compressor with motor assembly

2. CAN communication system

 Memorized

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B1475/75 A/C Inverter Cooling / Heating System Malfunction

1. Cooling fan system

2. Refrigerant volume

3. Compressor with motor assembly

4. CAN communication system

 Memorized

Click here

B1476/76 A/C Inverter Load System Malfunction

1. Refrigerant volume

2. Compressor with motor assembly

3. Cooling fan system

4. CAN communication system

 Memorized

Click here

B1477/77 A/C Inverter Low Voltage Power Resource System Malfunction

1. Compressor with motor assembly

2. CAN communication system

 Memorized

Click here

B1497/97 BUS IC Communication Malfunction

1. Air conditioning harness

2. A/C amplifier

Memorized

(10 sec. or more)

Click here

B1498/98 Communication Malfunction (A/C Inverter Local)

1. Harness or connector between power management control ECU, compressor with motor assembly and body ground

2. Power management control ECU

3. Compressor with motor assembly

4. No. 2 engine wire (harness or connector between compressor with motor assembly and inverter with converter assembly)

5. Electric vehicle fuse

6. CAN communication system

7. Hybrid control system

 Memorized

Click here

B14A2 Driver Side Solar Sensor Short Circuit

1. Solar sensor (automatic light control sensor)

2. Harness or connector between solar sensor (automatic light control sensor) and A/C amplifier

3. Harness or connector between solar sensor (automatic light control sensor) and main body ECU

4. Main body ECU

5. A/C amplifier

Memorized

(4 sec. or more)

Click here

U0100 Lost Communication with ECM

1. CAN communication system

2. ECM

 -

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U0131 Lost Communication with Electric Power Steering ECU

1. CAN communication system

2. Electric power steering ECU

 -

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U0142 Lost Communication with Main Body ECU

1. CAN communication system

2. Main Body ECU

 -

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U0155 Lost Communication with Combination Meter

1. CAN communication system

2. Combination Meter

 -

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U0293 Lost Communication with HV ECU

1. CAN communication system

2. Power Management Control ECU

 -

Click here

Hybrid Control System
DTC Code Detection Item Trouble Area Memory*3 See page
P0AA6-611 Hybrid Battery Voltage System Isolation Fault

1. Compressor oil

2. Refrigerant pipe line

3. Compressor with motor assembly

4. CAN communication system

 -

Click here