Climate parameters
The Toyota Land Cruiser Hybrid has 19 climate parameters.
● Confirmed◆ In testing○ Supported× Not supported
Adjusted ambient temperature LCH_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 2015 to 2024, 2026. Not supported for 2025.
Air conditioning inverter gate LCH_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 2015 to 2024, 2026. Not supported for 2025.
Air conditioning power consumption LCH_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 2015 to 2024, 2026. Not supported for 2025.
Air conditioning requested LCH_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 2015 to 2024, 2026. Not supported for 2025.
Air inlet damper actual pulse LCH_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 2015 to 2024, 2026. Not supported for 2025.
Air inlet damper target pulse LCH_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 2015 to 2024, 2026. Not supported for 2025.
Air outlet servo actual pulse, driver LCH_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 2015 to 2024, 2026. Not supported for 2025.
Air outlet servo pulse, driver LCH_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 2015 to 2024, 2026. Not supported for 2025.
Ambient air temperature LCH_AAT_7C4
- Request
21 22 - Service 21
PID 22 - Module
7C4 → 7CC - Every
1 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 2015 to 2024, 2026. Not supported for 2025.
Ambient temperature LCH_AMBIENT_TConfirmed
- Request
22 1F 46 - Service 22
DID 1F46 - Module
700 → 708 - Every
1 s - Testing for 2015 to 2024, 2026
Example reply from a 2025 Toyota Land Cruiser Hybrid.
Bits 0 to 7 of the reply, 8 bits.
0x3C = 60 → (60 − 40) = 20 °C
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2025. In testing for 2015 to 2024, 2026.
Blower motor speed level LCH_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 2015 to 2024, 2026. Not supported for 2025.
Cabin temperature LCH_CABIN_T
- Request
21 21 - Service 21
PID 21 - Module
7C4 → 7CC - Every
1 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 2015 to 2024, 2026. Not supported for 2025.
Climate control engine run requested LCH_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 2015 to 2024, 2026. Not supported for 2025.
Communication with air conditioner LCH_COMM_WITH_AIR_CONDITIONER
- Request
21 24 - Service 21
PID 24 - Module
7E0 → 7E8 - Every
1 s - Testing
Bit 5 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
In testing for 2015 to 2024, 2026. Not supported for 2025.
Communication with HV LCH_COMMUNICATION_WITH_HV
- Request
21 24 - Service 21
PID 24 - Module
7E0 → 7E8 - Every
1 s - Testing
Bit 2 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
In testing for 2015 to 2024, 2026. Not supported for 2025.
Communication with valvematic LCH_COMM_WITH_VALVEMATIC_COMM
- Request
21 24 - Service 21
PID 24 - Module
7E0 → 7E8 - Every
1 s - Testing
Bit 6 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- Number
In testing for 2015 to 2024, 2026. Not supported for 2025.
Evaporator fin thermistor LCH_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 2015 to 2024, 2026. Not supported for 2025.
Set temperature, driver side LCH_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 2015 to 2024, 2026. Not supported for 2025.
Solar sensor, driver side LCH_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 2015 to 2024, 2026. Not supported for 2025.
