Diagnostic Trouble Code Chart
WARNING: This page is about a different variant/trim than selected.
AIR CONDITIONING SYSTEM
| DTC Code | Detection Item | Trouble Area | Memory *2 | See |
|---|---|---|---|---|
| B1412/12*1 | Ambient Temperature Sensor Circuit | 1. Ambient temperature sensor 2. Wire harness between ambient temperature sensor and air conditioning amplifier 3. Air conditioning amplifier |
Memorized (8.5 min. or more) |
Refer to DTC B1412/12: Ambient Temperature Sensor Circuit |
| B1413/13 | Evaporator Temperature Sensor Circuit | 1. No. 1 cooler thermistor (Evaporator temperature sensor) 2. Air conditioning harness 3. Air conditioning amplifier |
Memorized (8.5 min. or more) |
Refer to DTC B1413/13: Evaporator Temperature Sensor Circuit |
| B1417/17 | Rear Evaporator Temperature Sensor Circuit | 1. Rear air conditioning harness (rear evaporator temperature sensor) 2. Wire harness between rear air conditioning harness (rear evaporator temperature sensor) and air conditioning amplifier 3. Air conditioning amplifier |
Memorized (8.5 min. or more) |
Refer to DTC B1417/17: Rear Evaporator Temperature Sensor Circuit |
| B1422/22 | Compressor Lock Sensor Circuit | 1. A/C compressor (A/C lock sensor) 2. Compressor drive belt 3. Harness or connector between compressor and air conditioning amplifier 4. Air conditioning amplifier 5. CAN communication system |
- | Refer to DTC B1422/22: Compressor Lock Sensor Circuit |
| B1423/23 | Pressure Sensor Circuit | 1. Pressure sensor 2. Harness or connector between 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) |
- | Refer to DTC B1423/23: Pressure Sensor Circuit |
| B1441/41 | Air Mix Damper Control Servo Motor Circuit (Passenger Side) | 1. Air mix control servo motor 2. Air conditioning harness 3. Air conditioning amplifier |
Memorized (30 sec.) |
Refer to DTC B1441/41: Air Mix Damper Control Servo Motor Circuit (Passenger Side) |
| B1442/42 | Air Inlet Damper Control Servo Motor Circuit | 1. Air inlet control servo motor 2. Air conditioning harness 3. Air conditioning amplifier |
Memorized (30 sec.) |
Refer to DTC B1442/42: Air Inlet Damper Control Servo Motor Circuit |
| B1443/43 | Air Outlet Damper Control Servo Motor Circuit | 1. Air outlet control servo motor 2. Air conditioning harness 3. Air conditioning amplifier |
Memorized (30 sec.) |
Refer to DTC B1443/43: Air Outlet Damper Control Servo Motor Circuit |
| B1447/47*3 | Rear Air Mix Damper Control Servo Motor Circuit | 1. Rear air mix control servo motor 2. Rear air conditioning harness 3. Wire harness between rear air conditioning harness and air conditioning amplifier 4. Air conditioning amplifier |
Memorized (30 sec.) |
Refer to DTC B1447/47: Rear Air Mix Damper Control Servo Motor Circuit |
| B1449/49*3 | Rear Air Outlet Damper Control Servo Motor Circuit | 1. Rear air outlet control servo motor 2. Rear air conditioning harness 3. Wire harness between rear air conditioning harness and air conditioning amplifier 4. Air conditioning amplifier |
Memorized (30 sec.) |
Refer to DTC B1449/49: Rear Air Outlet Damper Control Servo Motor Circuit |
| B1451/51 | Compressor Solenoid Circuit | 1. Compressor and magnetic clutch (for 2GR-FE) 2. Compressor assembly with pulley (for 1AR-FE) 3. Wire harness between air conditioning amplifier and compressor and magnetic clutch 4. Air conditioning amplifier |
- | Refer to DTC B1451/51: Compressor Solenoid Circuit |
| B1479/79 | Flow Sensor Circuit | 1. Compressor and magnetic clutch (A/C flow sensor) 2. Harness or connector between compressor and magnetic clutch (A/C flow sensor) and Air conditioning amplifier 3. Air conditioning amplifier |
Memorized (4 sec. or more) |
Refer to DTC B1479/79: Flow Sensor Circuit |
| B1497/97 | BUS IC Communication Malfunction | 1. Air conditioning harness 2. Air conditioning amplifier |
- | Refer to DTC B1497/97: BUS IC Communication Malfunction |
| B1499/99 | Multiplex Communication Circuit | 1. Air conditioning amplifier 2. ECM 3. Combination meter 4. CAN communication line |
- | Refer to DTC B1499/99: Multiplex Communication Circuit |
- *1: If the ambient temperature is approximately -52.9°C (- 63.22°F) or lower, DTC B1412/12 may be output even though the system is normal.
- *2: The A/C amplifier memorizes the DTC of the respective malfunction if it has occurred for the period of time indicated in the brackets.
- *3: w/ Rear Air Conditioning System