Climate parameters
The Toyota Sienna Hybrid has 17 climate parameters.
● Confirmed◆ In testing○ Supported× Not supported
Adjusted ambient temperature SIENNAH_ADJUSTED_AMBIENT_T
- Request
21 3D - Service 21
PID 3D - Module
7C4 → 7CC - Every
5 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 81.6 ÷ 255 − 30.8)- Range
- -30.8 to 50.8 °C
- Unit
- °C
In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.
Air inlet damper actual pulse SIENNAH_AIR_INLET_DAMPER_ACTUAL_PULSE
- Request
21 44 - Service 21
PID 44 - Module
7C4 → 7CC - Every
1 s - Testing
Bits 8 to 15 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.
Air inlet damper target pulse SIENNAH_AIR_INLET_DAMPER_TARGET_PULSE
- Request
21 44 - Service 21
PID 44 - Module
7C4 → 7CC - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.
Air outlet servo actual pulse, driver SIENNAH_AIR_OUTLET_SERVO_ACTU_PULSE_D
- Request
21 43 - Service 21
PID 43 - Module
7C4 → 7CC - Every
1 s - Testing
Bits 8 to 15 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.
Air outlet servo pulse, driver SIENNAH_AIR_OUTLET_SERVO_PULSE_D
- Request
21 43 - Service 21
PID 43 - Module
7C4 → 7CC - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.
Ambient air temperature SIENNAH_AAT_7C4
- Request
21 22 - Service 21
PID 22 - Module
7C4 → 7CC - Every
5 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 89.25 ÷ 255 − 23.3)- Range
- -23.3 to 65.95 °C
- Unit
- °C
In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.
Ambient temperature SIENNAH_AMBIENT_TConfirmed
- Request
22 1F 46 - Service 22
DID 1F46 - Module
700 → 708 - Every
5 s - Testing for 2022, 2024 to 2026
Example reply from a 2023 Toyota Sienna Hybrid.
Bits 0 to 7 of the reply, 8 bits.
0x1D = 29 → (29 − 40) = -11 °C
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2021, 2023. In testing for 2022, 2024 to 2026.
Ambient temperature, climate SIENNAH_AAT_7C4_V2Confirmed
- Request
22 10 02 - Service 22
DID 1002 - Module
7C4 → 7CC - Every
10 s - Testing for 2022, 2024 to 2026
Example reply from a 2023 Toyota Sienna Hybrid.
Bits 0 to 15 of the reply, 16 bits. The value is signed.
0x0808 = 2056 → (2056 ÷ 100) = 20.56 °C
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67 °C
- Unit
- °C
Confirmed for 2021, 2023. In testing for 2022, 2024 to 2026.
Blower level SIENNAH_BLOWERConfirmed
- Request
22 28 01 - Service 22
DID 2801 - Module
7C4 → 7CC - Every
10 s - Testing for 2022, 2024 to 2026
Example reply from a 2023 Toyota Sienna Hybrid.
Bits 0 to 7 of the reply, 8 bits.
0x07 = 7 → 7
- Formula
val- Range
- 0 to 7
- Unit
- Number
Confirmed for 2021, 2023. In testing for 2022, 2024 to 2026.
Blower motor speed level SIENNAH_BLOWER_MOTOR_SPEED_LEVEL
- Request
21 3C - Service 21
PID 3C - Module
7C4 → 7CC - Every
5 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.
Cabin temperature SIENNAH_CABIN_T
- Request
21 21 - Service 21
PID 21 - Module
7C4 → 7CC - Every
5 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 63.75 ÷ 255 − 6.5)- Range
- -6.5 to 57.25 °C
- Unit
- °C
In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.
Cabin temperature SIENNAH_CABIN_T_V2Confirmed
- Request
22 10 01 - Service 22
DID 1001 - Module
7C4 → 7CC - Every
10 s - Testing for 2022, 2024 to 2026
Example reply from a 2023 Toyota Sienna Hybrid.
Bits 0 to 15 of the reply, 16 bits. The value is signed.
0x08B6 = 2230 → (2230 ÷ 100) = 22.3 °C
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67 °C
- Unit
- °C
Confirmed for 2021, 2023. In testing for 2022, 2024 to 2026.
Climate set point code SIENNAH_HVAC_SET_RAWConfirmed
- Request
22 10 36 - Service 22
DID 1036 - Module
7C4 → 7CC - Every
10 s - Testing for 2022, 2024 to 2026
Example reply from a 2023 Toyota Sienna Hybrid.
Bits 0 to 7 of the reply, 8 bits.
0x2E = 46 → 46
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2021, 2023. In testing for 2022, 2024 to 2026.
Evaporator fin thermistor SIENNAH_EVAP_FIN_THERMISTOR
- Request
21 4B - Service 21
PID 4B - Module
7C4 → 7CC - Every
5 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 89.25 ÷ 255 − 29.7)- Range
- -29.7 to 59.55 °C
- Unit
- °C
In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.
Evaporator target temperature SIENNAH_EVAP_TARGET_T
- Request
21 4C - Service 21
PID 4C - Module
7C4 → 7CC - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 100 − 327.68)- Range
- -327.68 to 327.67
- Unit
- Number
In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.
Set temperature, driver side SIENNAH_T_DRIVER
- Request
21 29 - Service 21
PID 29 - Module
7C4 → 7CC - Every
5 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255 °C
- Unit
- °C
In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.
Solar sensor, driver side SIENNAH_SOLAR_DRIVER
- Request
21 24 - Service 21
PID 24 - Module
7C4 → 7CC - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.
