Climate parameters
The Ford Fiesta has 7 climate parameters.
● Confirmed◆ In testing○ Supported× Not supported
A/C compressor pressure FIESTA_AC_PConfirmed
- Request
22 03 93 - Service 22
DID 0393 - Module
7E0 → 7E8 - Every
1 s - Testing for 1988 to 2016, 2019 to 2023
Example reply from a 2018 Ford Fiesta.
Bits 0 to 15 of the reply, 16 bits.
0x023B = 571 → (571 × 245251 ÷ 845473) = 165.633108 psi
- Formula
(val × 245251 ÷ 845473)- Range
- 0 to 1000 psi
- Unit
- psi
Confirmed for 2017 to 2018. In testing for 1988 to 2016, 2019 to 2023.
A/C compressor pressure sensor voltage FIESTA_AC_P_SENS_VConfirmed
- Request
22 98 00 - Service 22
DID 9800 - Module
7E0 → 7E8 - Every
1 s - Testing for 1988 to 2016, 2019 to 2023
Bits 0 to 15 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 1024)- Range
- 0 to 5 V
- Unit
- V
Confirmed for 2017 to 2018. In testing for 1988 to 2016, 2019 to 2023.
A/C compressor, state FIESTA_AC_STATEConfirmed
- Request
22 09 9B - Service 22
DID 099B - Module
7E0 → 7E8 - Every
1 s - Testing for 1988 to 2016, 2019 to 2023
Example reply from a 2018 Ford Fiesta.
Bits 0 to 7 of the reply, 8 bits.
0x01 = 1 → 1
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
Confirmed for 2017 to 2018. In testing for 1988 to 2016, 2019 to 2023.
A/C refrigerant pressure FIESTA_PCM_A_C_REFRIG_P
- Request
22 06 04 - Service 22
DID 0604 - Module
7E0 → 7E8 - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits. The value is signed.
- Formula
val- Range
- -32768 to 32767 kPa
- Unit
- kPa
In testing for 1988 to 2016, 2019 to 2023. Not supported for 2017 to 2018.
Ambient air temperature AATSAE J1979Confirmed
- Request
01 46 - Service 01
PID 46 - Module
7E0 → 7E8 - Every
15 s
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2011, 2016, 2018 to 2022. Supported for 2009, 2012, 2017.
Ambient temperature sensor voltage FIESTA_AAT_VConfirmed
- Request
22 03 BA - Service 22
DID 03BA - Module
7E0 → 7E8 - Every
1 s - Testing for 1988 to 2016, 2019 to 2023
Example reply from a 2018 Ford Fiesta.
Bits 0 to 15 of the reply, 16 bits.
0x01F6 = 502 → (502 × 5 ÷ 1023) = 2.453568 V
- Formula
(val × 5 ÷ 1023)- Range
- 0 to 5 V
- Unit
- V
Confirmed for 2017 to 2018. In testing for 1988 to 2016, 2019 to 2023.
Ambient temperature, alternate FIESTA_AAT_ALTConfirmed
- Request
22 05 7D - Service 22
DID 057D - Module
7E0 → 7E8 - Every
5 s - Testing for 1988 to 2016, 2019 to 2023
Example reply from a 2018 Ford Fiesta.
Bits 0 to 7 of the reply, 8 bits.
0x7C = 124 → (124 ÷ 2 − 40) = 22 °C
- Formula
(val ÷ 2 − 40)- Range
- -40 to 87.5 °C
- Unit
- °C
Confirmed for 2017 to 2018. In testing for 1988 to 2016, 2019 to 2023.
