2.
If error code is more than two, each code flicker 2 times in sequence.
The Full Automatic Temperature Control (F.A.T.C) module self test feature will detect electrical malfunctions and provide error code for system components with suspected failures.
After the display panel flickers three times every 0.5 second, the corresponding error code flickers on the setup temperature display panel every 0.5 second and will show two figures.
If error code is more than two, each code flicker 2 times in sequence.
Normal
One error code
More error codes than two
Checking each error code
If malfunction code is displayed during the DTC check, check the circuit listed for that code in the table below. |
DTC code | Detection item | Trouble area |
00 | Normal | - |
11 | Open INCAR Sensor circuit | ● Incar sensor ● Harness or connector between incar sensor and A/C control assembly ● A/C control assembly |
12 | Shorted INCAR Sensor circuit | |
13 | Open Ambient sensor circuit | ● Ambient sensor ● Harness or connector between ambient sensor and A/C control assembly ● A/C control assembly |
14 | Shorted Ambient sensor circuit | |
15 | Open water temp. sensor | ● Water temp. sensor ● Harness or connector between water temp. sensor and A/C control assembly ● A/C control assembly |
16 | Shorted water temp. sensor | |
17 | Open evap. sensor | ● Evap. sensor ● Harness or connector between evap. sensor and A/C control assembly ● A/C control assembly |
18 | Shorted evap. sensor | |
19 | Open or shorted temp. door potentiometer | ● Harness or connector between temp. door potentiometer and A/C control assembly |
20 | Defective temp. door potentiometer | ● Temp. door potentiometer |
21 | Open or shorted mode door potentiometer | ● Harness or connector between mode door potentiometer and A/C control assembly |
22 | Defective mode door potentiometer | ● Mode door potentiometer |
23 | Open Humidity sensor circuit | ● Humidity sensor ● Harness or connector between humidity sensor and A/C control assembly ● A/C control assembly |
24 | Shorted Humidity sensor circuit |
No. | Item | Failure | FAIL SAFE Function |
1 | IN-CAR temperature sensor | Open/Short | 25°C alternate value control |
2 | Ambient temperature sensor | Open/Short | 20°C alternate value control |
3 | Evaporator sensor | Open/Short | -2°C alternate value control |
4 | Water temperature sensor | Open/Short | -20°C alternate value control |
5 | Temperature door potentiometer | Open/Short setup temperature | For 17°C to 24.5°C, set to maximum cooling position. For 25°C to 32°C, set to maximum heating position. |
6 | Mode door potentimeter | Open/Short setup mode | Vent mode, at vent mode Def mode, at except vent mode |
