Engine parameters
The Toyota bZ4X has 11 engine parameters.
● Confirmed◆ In testing○ Supported× Not supported
Accelerator pedal position BZ4X_APPConfirmed
- Request
22 10 60 - Service 22
DID 1060 - Module
7D2 → 7DA - Every
1 s - Testing for 2022, 2024 to 2026
Example reply from a 2023 Toyota bZ4X.
Bits 0 to 7 of the reply, 8 bits.
0x00 = 0 → (0 ÷ 2) = 0 %
- Formula
(val ÷ 2)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2023. In testing for 2022, 2024 to 2026.
Ambient temperature BZ4X_AATConfirmed
- Request
22 1F 46 - Service 22
DID 1F46 - Module
7D2 → 7DA - Every
1 s - Testing for 2022, 2024 to 2026
Example reply from a 2023 Toyota bZ4X.
Bits 0 to 7 of the reply, 8 bits.
0x2D = 45 → (45 − 40) = 5 °C
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2023. In testing for 2022, 2024 to 2026.
Coolant temperature BZ4X_COOL_T
- Request
22 1F 05 - Service 22
DID 1F05 - Module
7D2 → 7DA - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
In testing for 2022, 2024 to 2026. Not supported for 2023.
Inverter coolant temperature BZ4X_INVRT_COOLANT_TConfirmed
- Request
22 10 B2 - Service 22
DID 10B2 - Module
7D2 → 7DA - Every
1 s - Testing for 2022, 2024 to 2026
Example reply from a 2023 Toyota bZ4X.
Bits 0 to 7 of the reply, 8 bits.
0x2D = 45 → (45 − 40) = 5 °C
- Formula
(val − 40)- Range
- 0 to 100 °C
- Unit
- °C
Confirmed for 2023. In testing for 2022, 2024 to 2026.
Motor inverter, maximum temperature BZ4X_M_INVRT_MAX_TConfirmed
- Request
22 10 A6 - Service 22
DID 10A6 - Module
7D2 → 7DA - Every
1 s - Testing for 2022, 2024 to 2026
Example reply from a 2023 Toyota bZ4X.
Bits 16 to 23 of the reply, 8 bits.
0x37 = 55 → (55 − 40) = 15 °C
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2023. In testing for 2022, 2024 to 2026.
Motor RPM BZ4X_RPMConfirmed
- Request
22 10 A1 - Service 22
DID 10A1 - Module
7D2 → 7DA - Every
250 ms - Testing for 2022, 2024 to 2026
Example reply from a 2023 Toyota bZ4X.
Bits 0 to 15 of the reply, 16 bits.
0x8000 = 32768 → (32768 − 32768) = 0 rpm
- Formula
(val − 32768)- Range
- -32768 to 32767 rpm
- Unit
- rpm
Confirmed for 2023. In testing for 2022, 2024 to 2026.
Motor torque BZ4X_TQConfirmed
- Request
22 10 A1 - Service 22
DID 10A1 - Module
7D2 → 7DA - Every
250 ms - Testing for 2022, 2024 to 2026
Example reply from a 2023 Toyota bZ4X.
Bits 48 to 63 of the reply, 16 bits.
0x7FFF = 32767 → (32767 ÷ 8 − 4096) = -0.125 N·m
- Formula
(val ÷ 8 − 4096)- Range
- -4096 to 4095 N·m
- Unit
- N·m
Confirmed for 2023. In testing for 2022, 2024 to 2026.
Rear motor inverter, coolant temperature BZ4X_RM_INVRT_COOL_TConfirmed
- Request
22 10 A6 - Service 22
DID 10A6 - Module
7D2 → 7DA - Every
1 s - Testing for 2022, 2024 to 2026
Example reply from a 2023 Toyota bZ4X.
Bits 0 to 7 of the reply, 8 bits.
0x2E = 46 → (46 − 40) = 6 °C
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2023. In testing for 2022, 2024 to 2026.
Rear motor torque BZ4X_RM_TQConfirmed
- Request
22 10 A2 - Service 22
DID 10A2 - Module
7D2 → 7DA - Every
250 ms - Testing for 2022, 2024 to 2026
Example reply from a 2023 Toyota bZ4X.
Bits 48 to 63 of the reply, 16 bits.
0x8000 = 32768 → (32768 ÷ 8 − 4096) = 0 N·m
- Formula
(val ÷ 8 − 4096)- Range
- -4096 to 4095 N·m
- Unit
- N·m
Confirmed for 2023. In testing for 2022, 2024 to 2026.
Rear motor torque, requested BZ4X_RM_TQ_REQConfirmed
- Request
22 10 A2 - Service 22
DID 10A2 - Module
7D2 → 7DA - Every
250 ms - Testing for 2022, 2024 to 2026
Example reply from a 2023 Toyota bZ4X.
Bits 0 to 15 of the reply, 16 bits.
0x8000 = 32768 → (32768 − 32768) = 0 N·m
- Formula
(val − 32768)- Range
- -32768 to 32767 N·m
- Unit
- N·m
Confirmed for 2023. In testing for 2022, 2024 to 2026.
Transaxle oil temperature BZ4X_TRANSAXLE_OIL_T
- Request
22 10 40 - Service 22
DID 1040 - Module
7D2 → 7DA - Every
1 s - Testing
Bits 16 to 23 of the reply, 8 bits.
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
In testing for 2022, 2024 to 2026. Not supported for 2023.
