Climate parameters
The Toyota RAV4 Hybrid has 19 climate parameters.
● Confirmed◆ In testing○ Supported× Not supported
Adjusted ambient temperature RAV4HYBRID_ADJUSTED_AMBIENT_TConfirmed
- Request
21 3D - Service 21
PID 3D - Module
7C4 → 7CC - Every
1 s - Testing for 2016, 2018 to 2021, 2026
Example reply from a 2025 Toyota RAV4 Hybrid.
Bits 0 to 7 of the reply, 8 bits.
0x97 = 151 → (151 × 81.6 ÷ 255 − 30.8) = 17.52 °C
- Formula
(val × 81.6 ÷ 255 − 30.8)- Range
- -30.8 to 50.8 °C
- Unit
- °C
Confirmed for 2017, 2022 to 2025. In testing for 2016, 2018 to 2021, 2026.
Air conditioning inverter gate RAV4HYBRID_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 2016, 2018 to 2021, 2026. Not supported for 2017, 2022 to 2025.
Air conditioning power consumption RAV4HYBRID_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 2016, 2018 to 2021, 2026. Not supported for 2017, 2022 to 2025.
Air conditioning requested RAV4HYBRID_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 2016, 2018 to 2021, 2026. Not supported for 2017, 2022 to 2025.
Air inlet damper actual pulse RAV4HYBRID_AIR_INLET_DAMPER_ACTUAL_PULSEConfirmed
- Request
21 44 - Service 21
PID 44 - Module
7C4 → 7CC - Every
1 s - Testing for 2016, 2018 to 2021, 2026
Example reply from a 2025 Toyota RAV4 Hybrid.
Bits 8 to 15 of the reply, 8 bits.
0x80 = 128 → 128
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2017, 2022 to 2025. In testing for 2016, 2018 to 2021, 2026.
Air inlet damper target pulse RAV4HYBRID_AIR_INLET_DAMPER_TARGET_PULSEConfirmed
- Request
21 44 - Service 21
PID 44 - Module
7C4 → 7CC - Every
1 s - Testing for 2016, 2018 to 2021, 2026
Example reply from a 2025 Toyota RAV4 Hybrid.
Bits 0 to 7 of the reply, 8 bits.
0x80 = 128 → 128
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2017, 2022 to 2025. In testing for 2016, 2018 to 2021, 2026.
Air mix servo, actual pulse, driver RAV4HYBRID_AIR_MIX_SERVO_ACT_DConfirmed
- Request
21 41 - Service 21
PID 41 - Module
7C4 → 7CC - Every
1 s - Testing for 2016, 2018 to 2021, 2026
Example reply from a 2025 Toyota RAV4 Hybrid.
Bits 8 to 15 of the reply, 8 bits.
0x81 = 129 → 129
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2017, 2022 to 2025. In testing for 2016, 2018 to 2021, 2026.
Air outlet servo pulse, driver RAV4HYBRID_AIR_OUTLET_SERVO_PULSE_DConfirmed
- Request
21 43 - Service 21
PID 43 - Module
7C4 → 7CC - Every
1 s - Testing for 2016, 2018 to 2021, 2026
Example reply from a 2025 Toyota RAV4 Hybrid.
Bits 0 to 7 of the reply, 8 bits.
0x57 = 87 → 87
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2017, 2022 to 2025. In testing for 2016, 2018 to 2021, 2026.
Air outlet servo, actual pulse, driver RAV4HYBRID_AIR_OUTLET_SERVO_ACTU_PULSE_DConfirmed
- Request
21 43 - Service 21
PID 43 - Module
7C4 → 7CC - Every
1 s - Testing for 2016, 2018 to 2021, 2026
Example reply from a 2025 Toyota RAV4 Hybrid.
Bits 8 to 15 of the reply, 8 bits.
0x57 = 87 → 87
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2017, 2022 to 2025. In testing for 2016, 2018 to 2021, 2026.
Ambient air temperature AATSAE J1979Confirmed
- Request
01 46 - Service 01
PID 46 - Module
7E0 → 7E8 - Every
15 s
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2023. Supported for 2017, 2019 to 2022, 2024 to 2025.
Ambient temperature RAV4HYBRID_AMBIENT_T_700Confirmed
- Request
22 1F 46 - Service 22
DID 1F46 - Module
700 → 708 - Every
1 s - Testing for 2016 to 2021, 2026
Example reply from a 2025 Toyota RAV4 Hybrid.
Bits 0 to 7 of the reply, 8 bits.
0x3B = 59 → (59 − 40) = 19 °C
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2022 to 2025. In testing for 2016, 2018 to 2021, 2026. Not supported for 2017.
Blower motor speed level RAV4HYBRID_BLOWER_MOTOR_SPEED_LEVELConfirmed
- Request
21 3C - Service 21
PID 3C - Module
7C4 → 7CC - Every
1 s - Testing for 2016, 2018 to 2021, 2026
Example reply from a 2025 Toyota RAV4 Hybrid.
Bits 0 to 7 of the reply, 8 bits.
0x0C = 12 → 12
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2017, 2022 to 2025. In testing for 2016, 2018 to 2021, 2026.
Climate control engine run requested RAV4HYBRID_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 2016, 2018 to 2021, 2026. Not supported for 2017, 2022 to 2025.
Communication with air conditioner RAV4HYBRID_COMM_WITH_AIR_CONDITIONERConfirmed
- Request
21 24 - Service 21
PID 24 - Module
7E0 → 7E8 - Every
1 s - Testing for 2016, 2018 to 2026
Example reply from a 2017 Toyota RAV4 Hybrid.
Bit 5 of the reply.
0b0 = 0 → 0
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
Confirmed for 2017. In testing for 2016, 2018 to 2021, 2026. Not supported for 2022 to 2025.
Communication with HV RAV4HYBRID_COMMUNICATION_WITH_HVConfirmed
- Request
21 24 - Service 21
PID 24 - Module
7E0 → 7E8 - Every
1 s - Testing for 2016, 2018 to 2026
Example reply from a 2017 Toyota RAV4 Hybrid.
Bit 2 of the reply.
0b1 = 1 → 1
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
Confirmed for 2017. In testing for 2016, 2018 to 2021, 2026. Not supported for 2022 to 2025.
Communication with valvematic RAV4HYBRID_COMM_WITH_VALVEMATIC_COMMConfirmed
- Request
21 24 - Service 21
PID 24 - Module
7E0 → 7E8 - Every
1 s - Testing for 2016, 2018 to 2026
Example reply from a 2017 Toyota RAV4 Hybrid.
Bit 6 of the reply.
0b0 = 0 → 0
- Formula
val- Range
- 0 to 1
- Unit
- Number
Confirmed for 2017. In testing for 2016, 2018 to 2021, 2026. Not supported for 2022 to 2025.
Evaporator fin thermistor RAV4HYBRID_EVAP_FIN_THERMISTORConfirmed
- Request
21 4B - Service 21
PID 4B - Module
7C4 → 7CC - Every
1 s - Testing for 2016, 2018 to 2021, 2026
Example reply from a 2025 Toyota RAV4 Hybrid.
Bits 0 to 7 of the reply, 8 bits.
0x57 = 87 → (87 × 89.25 ÷ 255 − 29.7) = 0.75 °C
- Formula
(val × 89.25 ÷ 255 − 29.7)- Range
- -29.7 to 59.55 °C
- Unit
- °C
Confirmed for 2017, 2022 to 2025. In testing for 2016, 2018 to 2021, 2026.
Set temperature, driver side RAV4HYBRID_T_DRIVERConfirmed
- Request
21 29 - Service 21
PID 29 - Module
7C4 → 7CC - Every
1 s - Testing for 2016, 2018 to 2026
Example reply from a 2017 Toyota RAV4 Hybrid.
Bits 0 to 7 of the reply, 8 bits.
0x20 = 32 → 32 °C
- Formula
val- Range
- 0 to 255 °C
- Unit
- °C
Confirmed for 2017. In testing for 2016, 2018 to 2021, 2026. Not supported for 2022 to 2025.
Solar sensor, driver side RAV4HYBRID_SOLAR_DRIVERConfirmed
- Request
21 24 - Service 21
PID 24 - Module
7C4 → 7CC - Every
1 s - Testing for 2016, 2018 to 2021, 2026
Example reply from a 2025 Toyota RAV4 Hybrid.
Bits 0 to 7 of the reply, 8 bits.
0x00 = 0 → 0
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2017, 2022 to 2025. In testing for 2016, 2018 to 2021, 2026.
