Climate parameters
The Lexus GX has 32 climate parameters.
● Confirmed◆ In testing○ Supported× Not supported
A/C compressor pressure LEXUS_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 2003 to 2023, 2025 to 2026. Not supported for 2024.
A/C compressor pressure sensor voltage LEXUS_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 2003 to 2023, 2025 to 2026. Not supported for 2024.
A/C compressor, state LEXUS_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 2003 to 2023, 2025 to 2026. Not supported for 2024.
Adjusted ambient temperature LEXUS_ADJUSTED_AMBIENT_T
- Request
21 3D - Service 21
PID 3D - Module
7C4 → 7CC - Every
1 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 2003 to 2023, 2025 to 2026. Not supported for 2024.
Air conditioner feedback LEXUS_AC_FBConfirmed
- 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
Confirmed for 2023. In testing for 2003 to 2022, 2025 to 2026. Not supported for 2024.
Air conditioning inverter gate LEXUS_AC_GATE
- Request
21 C4 - Service 21
PID C4 - Module
7E2 - Every
1 s - Testing
Bit 67 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
In testing for 2003 to 2023, 2025 to 2026. Not supported for 2024.
Air conditioning power consumption LEXUS_AC_PWR
- Request
21 C4 - Service 21
PID C4 - Module
7E2 - Every
1 s - Testing
Bits 120 to 127 of the reply, 8 bits.
- Formula
(val ÷ 51)- Range
- 0 to 5 kW
- Unit
- kW
In testing for 2003 to 2023, 2025 to 2026. Not supported for 2024.
Air conditioning requested LEXUS_AC_REQ
- Request
21 C4 - Service 21
PID C4 - Module
7E2 - Every
1 s - Testing
Bit 14 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
In testing for 2003 to 2023, 2025 to 2026. Not supported for 2024.
Air inlet damper actual pulse LEXUS_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 2003 to 2023, 2025 to 2026. Not supported for 2024.
Air inlet damper target pulse LEXUS_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 2003 to 2023, 2025 to 2026. Not supported for 2024.
Air mix servo, actual pulse, driver LEXUS_AIR_MIX_SERVO_ACT_D
- Request
21 41 - Service 21
PID 41 - 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 2003 to 2023, 2025 to 2026. Not supported for 2024.
Air outlet servo pulse, driver LEXUS_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 2003 to 2023, 2025 to 2026. Not supported for 2024.
Air outlet servo, actual pulse, driver LEXUS_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 2003 to 2023, 2025 to 2026. Not supported for 2024.
Ambient air temperature LEXUS_AAT_V2
- Request
22 D1 12 - Service 22
DID D112 - Module
6F1 → 660 - 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 2003 to 2023, 2025 to 2026. Not supported for 2024.
Ambient temperature LEXUS_AMBIENT_T_700Confirmed
- Request
22 1F 46 - Service 22
DID 1F46 - Module
700 → 708 - Every
1 s - Testing
Example reply from a 2024 Lexus GX.
Bits 0 to 7 of the reply, 8 bits.
0x1E = 30 → (30 − 40) = -10 °C
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2024. In testing for 2003 to 2023, 2025 to 2026.
Ambient temperature for A/C LEXUS_AC_AMB_TConfirmed
- 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
Confirmed for 2023. In testing for 2003 to 2022, 2025 to 2026. Not supported for 2024.
Ambient temperature, alternate LEXUS_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 2003 to 2023, 2025 to 2026. Not supported for 2024.
Ambient temperature, climate LEXUS_AAT_7C4_V2Confirmed
- Request
22 10 02 - Service 22
DID 1002 - Module
7C4 → 7CC - Every
10 s - Testing
Example reply from a 2024 Lexus GX.
Bits 0 to 15 of the reply, 16 bits. The value is signed.
0x071F = 1823 → (1823 ÷ 100) = 18.23 °C
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67 °C
- Unit
- °C
Confirmed for 2024. In testing for 2003 to 2023, 2025 to 2026.
Blower level LEXUS_BLOWERConfirmed
- Request
22 28 01 - Service 22
DID 2801 - Module
7C4 → 7CC - Every
10 s - Testing
Example reply from a 2024 Lexus GX.
Bits 0 to 7 of the reply, 8 bits.
0x00 = 0 → 0
- Formula
val- Range
- 0 to 7
- Unit
- Number
Confirmed for 2024. In testing for 2003 to 2023, 2025 to 2026.
Blower motor speed level LEXUS_BLOWER_MOTOR_SPEED_LEVEL
- Request
21 3C - Service 21
PID 3C - 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 2003 to 2023, 2025 to 2026. Not supported for 2024.
Cabin mode active while parked LEXUS_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 2003 to 2023, 2025 to 2026. Not supported for 2024.
Cabin temperature LEXUS_CABIN_T_V2Confirmed
- Request
22 10 01 - Service 22
DID 1001 - Module
7C4 → 7CC - Every
10 s - Testing
Example reply from a 2024 Lexus GX.
Bits 0 to 15 of the reply, 16 bits. The value is signed.
0x0795 = 1941 → (1941 ÷ 100) = 19.41 °C
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67 °C
- Unit
- °C
Confirmed for 2024. In testing for 2003 to 2023, 2025 to 2026.
Climate control engine run requested LEXUS_HVAC_REQ
- Request
21 C4 - Service 21
PID C4 - Module
7E2 - Every
1 s - Testing
Bit 12 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
In testing for 2003 to 2023, 2025 to 2026. Not supported for 2024.
Climate power, charging control LEXUS_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 2003 to 2023, 2025 to 2026. Not supported for 2024.
Climate set point code LEXUS_HVAC_SET_RAWConfirmed
- Request
22 10 36 - Service 22
DID 1036 - Module
7C4 → 7CC - Every
10 s - Testing
Example reply from a 2024 Lexus GX.
Bits 0 to 7 of the reply, 8 bits.
0x28 = 40 → 40
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2024. In testing for 2003 to 2023, 2025 to 2026.
Communication with air conditioner LEXUS_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 2003 to 2023, 2025 to 2026. Not supported for 2024.
Communication with HV LEXUS_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 2003 to 2023, 2025 to 2026. Not supported for 2024.
Communication with valvematic LEXUS_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 2003 to 2023, 2025 to 2026. Not supported for 2024.
Electric heater power count LEXUS_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 2003 to 2023, 2025 to 2026. Not supported for 2024.
Evaporator fin thermistor LEXUS_EVAP_FIN_THERMISTOR
- Request
21 4B - Service 21
PID 4B - Module
7C4 → 7CC - Every
1 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 2003 to 2023, 2025 to 2026. Not supported for 2024.
Set temperature, driver side LEXUS_T_DRIVER
- Request
21 29 - Service 21
PID 29 - Module
7C4 → 7CC - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255 °C
- Unit
- °C
In testing for 2003 to 2023, 2025 to 2026. Not supported for 2024.
Solar sensor, driver side LEXUS_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 2003 to 2023, 2025 to 2026. Not supported for 2024.
