Climate parameters
The Nissan Altima has 12 climate parameters.
● Confirmed◆ In testing○ Supported× Not supported
A/C status ALTIMA_AC_STATUSConfirmed
- Request
22 40 07 - Service 22
DID 4007 - Module
744 → 764 - Every
1 s - Testing for 1993 to 2018, 2021 to 2022, 2026
Example reply from a 2025 Nissan Altima.
Bits 0 to 7 of the reply, 8 bits.
0x89 = 137 → 137
- Formula
val- Range
- 0 to 255
- Unit
- Off or on
Confirmed for 2019 to 2020, 2023 to 2025. In testing for 1993 to 2006, 2009, 2011 to 2014, 2016, 2026. Not supported for 2007 to 2008, 2010, 2015, 2017 to 2018, 2021 to 2022.
Air conditioning compressor speed ALTIMA_AC_COMP_RPM
- Request
21 10 - Service 21
PID 10 - Module
744 → 764 - Every
5 s - Testing
Bits 168 to 183 of the reply, 16 bits.
- Formula
val- Range
- 0 to 65535 rpm
- Unit
- rpm
In testing for 1993 to 2026.
Air conditioning on ALTIMA_HVAC_AC_ON
- Request
21 10 - Service 21
PID 10 - Module
744 → 764 - Every
5 s - Testing
Bit 80 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
In testing for 1993 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 2018 to 2023, 2025.
Ambient air temperature ALTIMA_AATConfirmed
- Request
22 40 08 - Service 22
DID 4008 - Module
744 → 764 - Every
1 s - Testing for 1993 to 2018, 2021 to 2022, 2026
Example reply from a 2025 Nissan Altima.
Bits 0 to 7 of the reply, 8 bits.
0x0A = 10 → (10 − 40) = -30 °C
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2019 to 2020, 2023 to 2025. In testing for 1993 to 2006, 2009, 2011 to 2014, 2016, 2026. Not supported for 2007 to 2008, 2010, 2015, 2017 to 2018, 2021 to 2022.
Ambient air temperature, climate module ALTIMA_HVAC_AAT
- Request
21 10 - Service 21
PID 10 - Module
744 → 764 - Every
5 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
In testing for 1993 to 2026.
Blower on ALTIMA_HVAC_FAN_ON
- Request
21 10 - Service 21
PID 10 - Module
744 → 764 - Every
5 s - Testing
Bit 88 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
In testing for 1993 to 2026.
Blower voltage ALTIMA_HVAC_BLOWER_V
- Request
21 10 - Service 21
PID 10 - Module
744 → 764 - Every
5 s - Testing
Bits 89 to 95 of the reply, 7 bits.
- Formula
val- Range
- 0 to 127 V
- Unit
- V
In testing for 1993 to 2026.
Cabin temperature ALTIMA_HVAC_CABIN_T
- Request
21 10 - Service 21
PID 10 - Module
744 → 764 - Every
5 s - Testing
Bits 8 to 15 of the reply, 8 bits.
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
In testing for 1993 to 2026.
Engine coolant temperature ALTIMA_ECTConfirmed
- Request
22 F4 67 - Service 22
DID F467 - Module
744 → 764 - Every
1 s - Testing for 1993 to 2018, 2021 to 2022, 2026
Example reply from a 2025 Nissan Altima.
Bits 0 to 7 of the reply, 8 bits.
0x00 = 0 → (0 − 40) = -40 °C
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2019 to 2020, 2023 to 2025. In testing for 1993 to 2006, 2009, 2011 to 2014, 2016, 2026. Not supported for 2007 to 2008, 2010, 2015, 2017 to 2018, 2021 to 2022.
Evaporator temperature ALTIMA_HVAC_EVAP_T
- Request
21 10 - Service 21
PID 10 - Module
744 → 764 - Every
5 s - Testing
Bits 16 to 23 of the reply, 8 bits.
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
In testing for 1993 to 2026.
Sun load ALTIMA_HVAC_SUNLOAD
- Request
21 10 - Service 21
PID 10 - Module
744 → 764 - Every
5 s - Testing
Bits 24 to 31 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 1993 to 2026.
