Tech Tips
If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.
| DTC Code | Detection Item | Memory* | Diagnostic Note | See page |
|---|---|---|---|---|
| B1412/12 | Ambient Temperature Sensor Circuit | Stored (4 seconds or more) |
If the ambient temperature is approx. -52.9 °C (-63.22 °F) or less, DTC B1412/12 may be stored even though the system is normal. | |
| B1413/13 | Evaporator Temperature Sensor Circuit | Stored (4 seconds or more) |
- | |
| B1423/23 | Pressure Sensor Circuit | Stored (4 seconds or more) |
If the ambient temperature is 5 °C (37 °F) or less, DTC B1423/23 may be stored even though the system is normal. | |
| B1441/41 | Air Mix Damper Control Servo Motor Circuit | Stored (30 seconds or more) |
- | |
| B1442/42 | Air Inlet Damper Control Servo Motor Circuit | Stored (4 seconds or more) |
- | |
| B1443/43 | Air Outlet Damper Control Servo Motor Circuit | Stored (30 seconds or more) |
- | |
| B1451/51 | Compressor Solenoid Circuit | Stored (30 seconds or more) |
- | |
| B1497/97 | BUS IC Communication Malfunction | Stored (10 seconds or more) |
- | |
| B14B2 | Lost Communication with Front Panel LIN | Stored (10 seconds or more) |
- | |
| B14B8 | Refrigerant Shortage | Memorized (15 seconds or more) |
- | |
| U0100 | Lost Communication with ECM | - | - | |
| U0131 | Lost Communication with Power Steering Control Module | - | - | |
| U0142 | Lost Communication with Main Body ECU | - | - | |
| U0155 | Lost Communication with Combination Meter | - | - |
Tech Tips
*: The air conditioning amplifier stores the DTC of the respective malfunction that has been detected for the period of time indicated in the brackets.