Climate parameters
The Toyota GR Corolla has 13 climate parameters.
● Confirmed◆ In testing○ Supported× Not supported
Adjusted ambient temperature GRCOROLLA_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 to 2023. Not supported for 2024 to 2026.
Air inlet damper actual pulse GRCOROLLA_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 to 2023. Not supported for 2024 to 2026.
Air inlet damper target pulse GRCOROLLA_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 to 2023. Not supported for 2024 to 2026.
Air outlet servo actual pulse, driver GRCOROLLA_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 to 2023. Not supported for 2024 to 2026.
Air outlet servo pulse, driver GRCOROLLA_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 to 2023. Not supported for 2024 to 2026.
Ambient air temperature GRCOROLLA_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 to 2023. Not supported for 2024 to 2026.
Ambient temperature GRCOROLLA_AMBIENT_TConfirmed
- Request
22 1F 46 - Service 22
DID 1F46 - Module
700 → 708 - Every
5 s - Testing for 2022 to 2023
Example reply from a 2026 Toyota GR Corolla.
Bits 0 to 7 of the reply, 8 bits.
0x3F = 63 → (63 − 40) = 23 °C
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2024 to 2026. In testing for 2022 to 2023.
Blower motor speed level GRCOROLLA_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 to 2023. Not supported for 2024 to 2026.
Cabin temperature GRCOROLLA_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 to 2023. Not supported for 2024 to 2026.
Evaporator fin thermistor GRCOROLLA_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 to 2023. Not supported for 2024 to 2026.
Evaporator target temperature GRCOROLLA_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 to 2023. Not supported for 2024 to 2026.
Set temperature, driver side GRCOROLLA_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 to 2023. Not supported for 2024 to 2026.
Solar sensor, driver side GRCOROLLA_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 to 2023. Not supported for 2024 to 2026.
