Climate parameters
The Mazda CX-30 has 7 climate parameters.
● Confirmed◆ In testing○ Supported× Not supported
A/C compressor pressure CX30_AC_PConfirmed
- Request
22 03 93 - Service 22
DID 0393 - Module
7E0 → 7E8 - Every
1 s - Testing for 2020, 2024
Example reply from a 2026 Mazda CX-30.
Bits 0 to 15 of the reply, 16 bits.
0x028A = 650 → (650 × 245251 ÷ 845473) = 188.549073 psi
- Formula
(val × 245251 ÷ 845473)- Range
- 0 to 1000 psi
- Unit
- psi
Confirmed for 2021 to 2023, 2025 to 2026. In testing for 2020, 2024.
A/C compressor pressure sensor voltage CX30_AC_P_SENS_VConfirmed
- Request
22 98 00 - Service 22
DID 9800 - Module
7E0 → 7E8 - Every
1 s - Testing for 2020, 2024
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 2021 to 2023, 2025 to 2026. In testing for 2020, 2024.
A/C compressor, state CX30_AC_STATEConfirmed
- Request
22 09 9B - Service 22
DID 099B - Module
7E0 → 7E8 - Every
1 s - Testing for 2020, 2024
Example reply from a 2026 Mazda CX-30.
Bits 0 to 7 of the reply, 8 bits.
0x01 = 1 → 1
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
Confirmed for 2021 to 2023, 2025 to 2026. In testing for 2020, 2024.
A/C refrigerant pressure CX30_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 2020, 2024. Not supported for 2021 to 2023, 2025 to 2026.
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 2021 to 2023. Supported for 2025.
Ambient air temperature CX30_AATConfirmed
- Request
22 DD 05 - Service 22
DID DD05 - Module
723 → 72B - Every
1 s - Testing for 2020 to 2021, 2023 to 2026
Example reply from a 2022 Mazda CX-30.
Bits 0 to 7 of the reply, 8 bits.
0x3A = 58 → (58 − 40) = 18 °C
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2022. In testing for 2020, 2024. Not supported for 2021, 2023, 2025 to 2026.
Ambient temperature, alternate CX30_AAT_ALTConfirmed
- Request
22 05 7D - Service 22
DID 057D - Module
7E0 → 7E8 - Every
5 s - Testing for 2020, 2024
Example reply from a 2026 Mazda CX-30.
Bits 0 to 7 of the reply, 8 bits.
0x80 = 128 → (128 ÷ 2 − 40) = 24 °C
- Formula
(val ÷ 2 − 40)- Range
- -40 to 87.5 °C
- Unit
- °C
Confirmed for 2021 to 2023, 2025 to 2026. In testing for 2020, 2024.
