Climate parameters
The Lexus RX 350 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 2002, 2005 to 2016, 2018 to 2026. Not supported for 2017.
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 2002, 2005 to 2016, 2018 to 2026. Not supported for 2017.
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 2002, 2005 to 2016, 2018 to 2026. Not supported for 2017.
Adjusted ambient temperature LEXUS_ADJUSTED_AMBIENT_TConfirmed
- Request
21 3D - Service 21
PID 3D - Module
7C4 → 7CC - Every
1 s - Testing
Example reply from a 2022 Lexus RX 350.
Bits 0 to 7 of the reply, 8 bits.
0xA5 = 165 → (165 × 81.6 ÷ 255 − 30.8) = 22 °C
- Formula
(val × 81.6 ÷ 255 − 30.8)- Range
- -30.8 to 50.8 °C
- Unit
- °C
Confirmed for 2010, 2013, 2015, 2017, 2020, 2022. In testing for 2007, 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005 to 2006, 2008, 2025 to 2026.
Air conditioner feedback LEXUS_AC_FBConfirmed
- Request
21 51 - Service 21
PID 51 - Module
7E0 → 7E8 - Every
1 s - Testing
Example reply from a 2015 Lexus RX 350.
Bits 216 to 231 of the reply, 16 bits.
0x8000 = 32768 → (32768 × 10 ÷ 8192 − 40) = 0
- Formula
(val × 10 ÷ 8192 − 40)- Range
- -40 to 39.99
- Unit
- Number
Confirmed for 2013, 2015. In testing for 2007, 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005 to 2006, 2008, 2010, 2017, 2020, 2022, 2025 to 2026.
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 2002, 2005, 2007 to 2012, 2014 to 2016, 2018 to 2024, 2026. Not supported for 2006, 2013, 2017, 2025.
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 2002, 2005, 2007 to 2012, 2014 to 2016, 2018 to 2024, 2026. Not supported for 2006, 2013, 2017, 2025.
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 2002, 2005, 2007 to 2012, 2014 to 2016, 2018 to 2024, 2026. Not supported for 2006, 2013, 2017, 2025.
Air inlet damper actual pulse LEXUS_AIR_INLET_DAMPER_ACTUAL_PULSEConfirmed
- Request
21 44 - Service 21
PID 44 - Module
7C4 → 7CC - Every
1 s - Testing
Example reply from a 2022 Lexus RX 350.
Bits 8 to 15 of the reply, 8 bits.
0x80 = 128 → 128
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2010, 2013, 2015, 2017, 2020, 2022. In testing for 2007, 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005 to 2006, 2008, 2025 to 2026.
Air inlet damper target pulse LEXUS_AIR_INLET_DAMPER_TARGET_PULSEConfirmed
- Request
21 44 - Service 21
PID 44 - Module
7C4 → 7CC - Every
1 s - Testing
Example reply from a 2022 Lexus RX 350.
Bits 0 to 7 of the reply, 8 bits.
0x80 = 128 → 128
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2010, 2013, 2015, 2017, 2020, 2022. In testing for 2007, 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005 to 2006, 2008, 2025 to 2026.
Air mix servo, actual pulse, driver LEXUS_AIR_MIX_SERVO_ACT_DConfirmed
- Request
21 41 - Service 21
PID 41 - Module
7C4 → 7CC - Every
1 s - Testing
Example reply from a 2017 Lexus RX 350.
Bits 8 to 15 of the reply, 8 bits.
0x6B = 107 → 107
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2017. In testing for 2002, 2005, 2007 to 2016, 2018 to 2026. Not supported for 2006.
Air outlet servo pulse, driver LEXUS_AIR_OUTLET_SERVO_PULSE_DConfirmed
- Request
21 43 - Service 21
PID 43 - Module
7C4 → 7CC - Every
1 s - Testing
Example reply from a 2022 Lexus RX 350.
Bits 0 to 7 of the reply, 8 bits.
0x80 = 128 → 128
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2010, 2013, 2015, 2017, 2020, 2022. In testing for 2007, 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005 to 2006, 2008, 2025 to 2026.
Air outlet servo, actual pulse, driver LEXUS_AIR_OUTLET_SERVO_ACTU_PULSE_DConfirmed
- Request
21 43 - Service 21
PID 43 - Module
7C4 → 7CC - Every
1 s - Testing
Example reply from a 2022 Lexus RX 350.
Bits 8 to 15 of the reply, 8 bits.
0x80 = 128 → 128
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2010, 2013, 2015, 2017, 2020, 2022. In testing for 2007, 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005 to 2006, 2008, 2025 to 2026.
Ambient air temperature LEXUS_AAT_V2Confirmed
- 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
Confirmed for 2010, 2013, 2015. In testing for 2006 to 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005, 2017, 2020, 2022, 2025 to 2026.
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 2026 Lexus RX 350.
Bits 0 to 7 of the reply, 8 bits.
0x47 = 71 → (71 − 40) = 31 °C
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2020, 2022, 2025 to 2026. In testing for 2007, 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005 to 2006, 2008, 2010, 2013, 2015, 2017.
Ambient temperature for A/C LEXUS_AC_AMB_TConfirmed
- Request
21 51 - Service 21
PID 51 - Module
7E0 → 7E8 - Every
1 s - Testing
Example reply from a 2015 Lexus RX 350.
Bits 88 to 95 of the reply, 8 bits.
0x3D = 61 → (61 − 40) = 21 °C
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2013, 2015. In testing for 2007, 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005 to 2006, 2008, 2010, 2017, 2020, 2022, 2025 to 2026.
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 2002, 2005 to 2016, 2018 to 2026. Not supported for 2017.
Ambient temperature, climate LEXUS_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 2002, 2005, 2007 to 2016, 2018 to 2026. Not supported for 2006, 2017.
Blower level LEXUS_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 2002, 2005, 2007 to 2016, 2018 to 2026. Not supported for 2006, 2017.
Blower motor speed level LEXUS_BLOWER_MOTOR_SPEED_LEVELConfirmed
- Request
21 3C - Service 21
PID 3C - Module
7C4 → 7CC - Every
1 s - Testing
Example reply from a 2022 Lexus RX 350.
Bits 0 to 7 of the reply, 8 bits.
0x02 = 2 → 2
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2010, 2013, 2015, 2017, 2020, 2022. In testing for 2007, 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005 to 2006, 2008, 2025 to 2026.
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 2002, 2005, 2007 to 2016, 2018 to 2026. Not supported for 2006, 2017.
Cabin temperature LEXUS_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 2002, 2005, 2007 to 2016, 2018 to 2026. Not supported for 2006, 2017.
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 2002, 2005, 2007 to 2012, 2014 to 2016, 2018 to 2024, 2026. Not supported for 2006, 2013, 2017, 2025.
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 2002, 2005, 2007 to 2016, 2018 to 2026. Not supported for 2006, 2017.
Climate set point code LEXUS_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 2002, 2005, 2007 to 2016, 2018 to 2026. Not supported for 2006, 2017.
Communication with air conditioner LEXUS_COMM_WITH_AIR_CONDITIONERConfirmed
- Request
21 24 - Service 21
PID 24 - Module
7E0 → 7E8 - Every
5 s - Testing
Example reply from a 2015 Lexus RX 350.
Bit 5 of the reply.
0b1 = 1 → 1
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
Confirmed for 2006, 2008, 2010, 2013, 2015. In testing for 2007, 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005, 2017, 2020, 2022, 2025 to 2026.
Communication with HV LEXUS_COMMUNICATION_WITH_HVConfirmed
- Request
21 24 - Service 21
PID 24 - Module
7E0 → 7E8 - Every
5 s - Testing
Example reply from a 2015 Lexus RX 350.
Bit 2 of the reply.
0b0 = 0 → 0
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
Confirmed for 2006, 2008, 2010, 2013, 2015. In testing for 2007, 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005, 2017, 2020, 2022, 2025 to 2026.
Communication with valvematic LEXUS_COMM_WITH_VALVEMATIC_COMMConfirmed
- Request
21 24 - Service 21
PID 24 - Module
7E0 → 7E8 - Every
5 s - Testing
Example reply from a 2015 Lexus RX 350.
Bit 6 of the reply.
0b0 = 0 → 0
- Formula
val- Range
- 0 to 1
- Unit
- Number
Confirmed for 2006, 2008, 2010, 2013, 2015. In testing for 2007, 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005, 2017, 2020, 2022, 2025 to 2026.
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 2002, 2005, 2007 to 2016, 2018 to 2026. Not supported for 2006, 2017.
Evaporator fin thermistor LEXUS_EVAP_FIN_THERMISTORConfirmed
- Request
21 4B - Service 21
PID 4B - Module
7C4 → 7CC - Every
1 s - Testing
Example reply from a 2022 Lexus RX 350.
Bits 0 to 7 of the reply, 8 bits.
0x55 = 85 → (85 × 89.25 ÷ 255 − 29.7) = 0.05 °C
- Formula
(val × 89.25 ÷ 255 − 29.7)- Range
- -29.7 to 59.55 °C
- Unit
- °C
Confirmed for 2010, 2013, 2015, 2017, 2020, 2022. In testing for 2007, 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005 to 2006, 2008, 2025 to 2026.
Set temperature, driver side LEXUS_T_DRIVERConfirmed
- Request
21 29 - Service 21
PID 29 - Module
7C4 → 7CC - Every
1 s - Testing
Example reply from a 2015 Lexus RX 350.
Bits 0 to 7 of the reply, 8 bits.
0x20 = 32 → 32 °C
- Formula
val- Range
- 0 to 255 °C
- Unit
- °C
Confirmed for 2010, 2013, 2015. In testing for 2007, 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005 to 2006, 2008, 2017, 2020, 2022, 2025 to 2026.
Solar sensor, driver side LEXUS_SOLAR_DRIVERConfirmed
- Request
21 24 - Service 21
PID 24 - Module
7C4 → 7CC - Every
1 s - Testing
Example reply from a 2022 Lexus RX 350.
Bits 0 to 7 of the reply, 8 bits.
0x00 = 0 → 0
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2010, 2013, 2015, 2017, 2020, 2022. In testing for 2007, 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005 to 2006, 2008, 2025 to 2026.
