AIR CONDITIONING SYSTEM (for Sedan) > DIAGNOSTIC TROUBLE CODE CHART |
- If a trouble code is displayed during the DTC check, inspect the suspected areas listed for that code. For details of the code, refer to the "See page" in the DTC chart.
- Inspect the fuse and relay before investigating the suspected areas shown in the table below.
- HINT:
- When the air conditioning system functions properly, DTC B1400/00 is output.
DTC Code | Detection Item | Trouble Area | Memory | See page |
B1412/12 | Ambient Temperature Sensor Circuit | - Ambient temperature sensor - Harness and connector between ambient temperature sensor and air conditioning amplifier - Air conditioning amplifier | - |
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B1413/13 | Evaporator Temperature Sensor Circuit | - No .1 cooler thermistor (evaporator temperature sensor) - Harness and connector between No .1 cooler thermistor (evaporator temperature sensor) and air conditioning amplifier - Air conditioning amplifier | - |
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B1423/23 | Pressure Sensor Circuit | - Air conditioning pressure sensor - Harness and connector between air conditioning pressure sensor and air conditioning amplifier - Air conditioning amplifier | - |
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B1451/51 | Compressor Solenoid Circuit | - Compressor and pulley - Harness and connector between air conditioning amplifier and compressor and pulley - Air conditioning amplifier | - |
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B1499/99 | Multiplex Communication Circuit | - Air conditioning amplifier power source circuit - Air conditioning amplifier - ECM - Combination meter assembly - CAN communication line | - |
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