Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
| DTC Code |
Detection Item |
Trouble Area |
Memory (*2) |
| B1412 *1 |
Ambient Temperature Sensor Circuit |
- Ambient temperature sensor
- Harness or connector between ambient temperature sensor and air conditioning amplifier
- Air Conditioning amplifier
|
Memorized (8.5 min. or more) |
| B1413 |
Evaporator Temperature Sensor Circuit |
- Evaporator temperature sensor
- Harness or connector between evaporator temperature sensor and air conditioning amplifier
- Air conditioning amplifier
|
Memorized (8.5 min. or more) |
| B1423 |
Pressure Sensor Circuit |
- Pressure sensor
- Harness or connector between pressure sensor and air conditioning amplifier
- Air conditioning amplifier
- A/C system (leaks, blocked)
|
- |
| B1451 |
Compressor Solenoid Circuit |
- A/C compressor (compressor solenoid)
- Harness or connector between A/C compressor (compressor solenoid) and air conditioning amplifier or Body ground
- Air conditioning amplifier
|
- |
| B1499 |
Communication Malfunction (Engine and Meter ECU) |
CAN communication system |
Memorized |
HINT:
- *1: If the ambient temperature is approximately -52.9°C (-63.22°F) or lower, DTC B1412 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.
|