Climate parameters
The Toyota Mirai has 33 climate parameters.
● Confirmed◆ In testing○ Supported× Not supported
A/C compressor pressure TOYOTA_IA_AC_P
- Request
22 03 93 - Service 22
DID 0393 - Module
7E0 → 7E8 - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val × 245251 ÷ 845473)- Range
- 0 to 1000 psi
- Unit
- psi
In testing for 2014 to 2026.
A/C compressor pressure sensor voltage TOYOTA_IA_AC_P_SENS_V
- Request
22 98 00 - Service 22
DID 9800 - Module
7E0 → 7E8 - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 1024)- Range
- 0 to 5 V
- Unit
- V
In testing for 2014 to 2026.
A/C compressor, state TOYOTA_IA_AC_STATE
- Request
22 09 9B - Service 22
DID 099B - Module
7E0 → 7E8 - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
In testing for 2014 to 2026.
Adjusted ambient temperature TOYOTA_ADJUSTED_AMBIENT_TConfirmed
- Request
21 3D - Service 21
PID 3D - Module
7C4 → 7CC - Every
5 s - Testing
Example reply from a 2023 Toyota Mirai.
Bits 0 to 7 of the reply, 8 bits.
0x6F = 111 → (111 × 81.6 ÷ 255 − 30.8) = 4.72 °C
- Formula
(val × 81.6 ÷ 255 − 30.8)- Range
- -30.8 to 50.8 °C
- Unit
- °C
Confirmed for 2023. In testing for 2014 to 2022, 2024 to 2026.
Air conditioner feedback TOYOTA_AC_FB
- Request
21 51 - Service 21
PID 51 - Module
7E0 → 7E8 - Every
1 s - Testing
Bits 216 to 231 of the reply, 16 bits.
- Formula
(val × 10 ÷ 8192 − 40)- Range
- -40 to 39.99
- Unit
- Number
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Air conditioning inverter gate TOYOTA_AC_GATE
- Request
21 C4 - Service 21
PID C4 - Module
7E2 → 7EA - Every
250 ms - Testing
Bit 67 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Air conditioning power consumption TOYOTA_AC_PWR
- Request
21 C4 - Service 21
PID C4 - Module
7E2 → 7EA - Every
250 ms - Testing
Bits 120 to 127 of the reply, 8 bits.
- Formula
(val ÷ 51)- Range
- 0 to 5 kW
- Unit
- kW
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Air conditioning requested TOYOTA_AC_REQ
- Request
21 C4 - Service 21
PID C4 - Module
7E2 → 7EA - Every
250 ms - Testing
Bit 14 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Air inlet damper actual pulse TOYOTA_AIR_INLET_DAMPER_ACTUAL_PULSEConfirmed
- Request
21 44 - Service 21
PID 44 - Module
7C4 - Every
1 s - Testing
Example reply from a 2023 Toyota Mirai.
Bits 8 to 15 of the reply, 8 bits.
0xA2 = 162 → 162
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2023. In testing for 2014 to 2022, 2024 to 2026.
Air inlet damper target pulse TOYOTA_AIR_INLET_DAMPER_TARGET_PULSEConfirmed
- Request
21 44 - Service 21
PID 44 - Module
7C4 - Every
1 s - Testing
Example reply from a 2023 Toyota Mirai.
Bits 0 to 7 of the reply, 8 bits.
0x00 = 0 → 0
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2023. In testing for 2014 to 2022, 2024 to 2026.
Air outlet servo actual pulse, driver TOYOTA_AIR_OUTLET_SERVO_ACTU_PULSE_D
- Request
21 43 - Service 21
PID 43 - Module
7C4 - Every
1 s - Testing
Bits 8 to 15 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Air outlet servo pulse, driver TOYOTA_AIR_OUTLET_SERVO_PULSE_D
- Request
21 43 - Service 21
PID 43 - Module
7C4 - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Ambient air temperature TOYOTA_AAT_7C4Confirmed
- Request
21 22 - Service 21
PID 22 - Module
7C4 → 7CC - Every
5 s - Testing
Example reply from a 2023 Toyota Mirai.
Bits 0 to 7 of the reply, 8 bits.
0x50 = 80 → (80 × 89.25 ÷ 255 − 23.3) = 4.7 °C
- Formula
(val × 89.25 ÷ 255 − 23.3)- Range
- -23.3 to 65.95 °C
- Unit
- °C
Confirmed for 2023. In testing for 2014 to 2022, 2024 to 2026.
Ambient temperature TOYOTA_AMBIENT_T
- Request
22 1F 46 - Service 22
DID 1F46 - Module
700 → 708 - 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 2014 to 2022, 2024 to 2026. Not supported for 2023.
Ambient temperature for A/C TOYOTA_AC_AMB_T
- Request
21 51 - Service 21
PID 51 - Module
7E0 → 7E8 - Every
1 s - Testing
Bits 88 to 95 of the reply, 8 bits.
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Ambient temperature, alternate TOYOTA_IA_AAT_ALT
- Request
22 05 7D - Service 22
DID 057D - Module
7E0 → 7E8 - Every
5 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val ÷ 2 − 40)- Range
- -40 to 87.5 °C
- Unit
- °C
In testing for 2014 to 2026.
Ambient temperature, climate TOYOTA_AAT_7C4_V2
- Request
22 10 02 - Service 22
DID 1002 - Module
7C4 → 7CC - Every
10 s - Testing
Bits 0 to 15 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67 °C
- Unit
- °C
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Blower level TOYOTA_BLOWER
- Request
22 28 01 - Service 22
DID 2801 - Module
7C4 → 7CC - Every
10 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 7
- Unit
- Number
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Blower motor speed level TOYOTA_BLOWER_MOTOR_SPEED_LEVELConfirmed
- Request
21 3C - Service 21
PID 3C - Module
7C4 → 7CC - Every
5 s - Testing
Example reply from a 2023 Toyota Mirai.
Bits 0 to 7 of the reply, 8 bits.
0x00 = 0 → 0
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2023. In testing for 2014 to 2022, 2024 to 2026.
Cabin mode active while parked TOYOTA_MY_ROOM
- Request
22 16 92 - Service 22
DID 1692 - Module
745 → 74D - Every
10 s - Testing
Bit 15 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Cabin temperature TOYOTA_CABIN_TConfirmed
- Request
21 21 - Service 21
PID 21 - Module
7C4 → 7CC - Every
5 s - Testing
Example reply from a 2023 Toyota Mirai.
Bits 0 to 7 of the reply, 8 bits.
0x3A = 58 → (58 × 63.75 ÷ 255 − 6.5) = 8 °C
- Formula
(val × 63.75 ÷ 255 − 6.5)- Range
- -6.5 to 57.25 °C
- Unit
- °C
Confirmed for 2023. In testing for 2014 to 2022, 2024 to 2026.
Cabin temperature TOYOTA_CABIN_T_V2
- Request
22 10 01 - Service 22
DID 1001 - Module
7C4 → 7CC - Every
10 s - Testing
Bits 0 to 15 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67 °C
- Unit
- °C
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Climate control engine run requested TOYOTA_HVAC_REQ
- Request
21 C4 - Service 21
PID C4 - Module
7E2 → 7EA - Every
250 ms - Testing
Bit 12 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Climate power, charging control TOYOTA_HVAC_P_745
- Request
22 10 6E - Service 22
DID 106E - Module
745 → 74D - Every
5 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val ÷ 20)- Range
- 0 to 12.75 kW
- Unit
- kW
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Climate set point code TOYOTA_HVAC_SET_RAW
- Request
22 10 36 - Service 22
DID 1036 - Module
7C4 → 7CC - Every
10 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Communication with air conditioner TOYOTA_COMM_WITH_AIR_CONDITIONER
- Request
21 24 - Service 21
PID 24 - Module
7E0 → 7E8 - Every
5 s - Testing
Bit 5 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Communication with HV TOYOTA_COMMUNICATION_WITH_HV
- Request
21 24 - Service 21
PID 24 - Module
7E0 → 7E8 - Every
5 s - Testing
Bit 2 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Communication with valvematic TOYOTA_COMM_WITH_VALVEMATIC_COMM
- Request
21 24 - Service 21
PID 24 - Module
7E0 → 7E8 - Every
5 s - Testing
Bit 6 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- Number
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Electric heater power count TOYOTA_HEATER_RAW
- Request
22 10 86 - Service 22
DID 1086 - Module
7C4 → 7CC - Every
10 s - Testing
Bits 0 to 15 of the reply, 16 bits.
- Formula
val- Range
- 0 to 65535
- Unit
- Number
In testing for 2014 to 2022, 2024 to 2026. Not supported for 2023.
Evaporator fin thermistor TOYOTA_EVAP_FIN_THERMISTORConfirmed
- Request
21 4B - Service 21
PID 4B - Module
7C4 → 7CC - Every
5 s - Testing
Example reply from a 2023 Toyota Mirai.
Bits 0 to 7 of the reply, 8 bits.
0x4F = 79 → (79 × 89.25 ÷ 255 − 29.7) = -2.05 °C
- Formula
(val × 89.25 ÷ 255 − 29.7)- Range
- -29.7 to 59.55 °C
- Unit
- °C
Confirmed for 2023. In testing for 2014 to 2022, 2024 to 2026.
Evaporator target temperature TOYOTA_EVAP_TARGET_TConfirmed
- Request
21 4C - Service 21
PID 4C - Module
7C4 - Every
1 s - Testing
Example reply from a 2023 Toyota Mirai.
Bits 0 to 15 of the reply, 16 bits.
0x8064 = 32868 → (32868 ÷ 100 − 327.68) = 1
- Formula
(val ÷ 100 − 327.68)- Range
- -327.68 to 327.67
- Unit
- Number
Confirmed for 2023. In testing for 2014 to 2022, 2024 to 2026.
Set temperature, driver side TOYOTA_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 2014 to 2022, 2024 to 2026. Not supported for 2023.
Solar sensor, driver side TOYOTA_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 2014 to 2022, 2024 to 2026. Not supported for 2023.
