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Mazda CX-30

Fuel parameters

The Mazda CX-30 has 29 fuel parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Fuel level CX30_FLIConfirmed

Pelican can show this parameter as the fuel tank level.

  • Request22 F4 2F
  • Service 22DID F42F
  • Module7E0 → 7E8
  • Every30 s
  • Testing for 2020, 2024

Example reply from a 2026 Mazda CX-30.

Bits 0 to 7 of the reply, 8 bits.

0x8F = 143 → (143 × 100 ÷ 255) = 56.078431 %

Formula
(val × 100 ÷ 255)
Range
0 to 100 %
Unit
%

Confirmed for 2021 to 2023, 2025 to 2026. In testing for 2020, 2024.

  1. The parameter's name and its ID in the OBDb. Confirmed shows when a response from a real car confirms the parameter.
  2. The clutch mark shows a Connectable, a parameter that Pelican surfaces in its interface.
  3. The service and PID/DID asked for, the control module it's sent to, and how often Pelican asks.
  4. The reply's bytes. The parameter's bytes are blue. Bytes for other parameters in the same reply are grayed out. Hover over a byte to see the parameter it represents.
  5. Where the parameter is in the response, and how Pelican converts the raw value into a value.
  6. A real reply, decoded. The raw value comes first, then the reading.
  7. Which model years have tested this parameter.

Air/fuel ratio CX30_AIR_FUEL_RATConfirmed

  • Request22 F4 34
  • Service 22DID F434
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 2020, 2022 to 2024, 2026

Example reply from a 2025 Mazda CX-30.

Bits 0 to 15 of the reply, 16 bits.

0x6FEC = 28652 → (28652 × 0.000446787) = 12.801341

Formula
(val × 0.000446787)
Range
0 to 29.2801
Unit
Number

Confirmed for 2021, 2025. In testing for 2020, 2022 to 2024, 2026.

Commanded Fuel Rail Pressure A FRP_A_CMDSAE J1979Confirmed

Displays commanded fuel rail pressure when the reading is referenced to atmosphere (gage pressure)

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bits 8 to 23 of the reply, 16 bits.

Formula
(val × 10)
Range
0 to 655350 kPa
Unit
kPa

Confirmed for 2022. Supported for 2025.

Commanded Fuel Rail Pressure B FRP_B_CMDSAE J1979Confirmed

Displays commanded fuel rail pressure when the reading is referenced to atmosphere (gage pressure)

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bits 48 to 63 of the reply, 16 bits.

Formula
(val × 10)
Range
0 to 655350 kPa
Unit
kPa

Confirmed for 2022. Supported for 2025.

Engine exhaust flow rate EXH_RATESAE J1979Confirmed

  • Request01 9E
  • Service 01PID 9E
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 5)
Range
0 to 13107 kg/h
Unit
kg/h

Confirmed for 2022. Supported for 2025.

Engine fuel rate CX30_ENG_FUEL_RATEConfirmed

  • Request22 F4 5E
  • Service 22DID F45E
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 2020 to 2024, 2026

Example reply from a 2025 Mazda CX-30.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → (0 ÷ 20) = 0 L

Formula
(val ÷ 20)
Range
0 to 3276.75 L
Unit
L

Confirmed for 2025. In testing for 2020, 2022 to 2024, 2026. Not supported for 2021.

Engine fuel rate FUEL_RATESAE J1979Confirmed

Measured in units per hour

Pelican can show this parameter as the fuel rate.

  • Request01 5E
  • Service 01PID 5E
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 20)
Range
0 to 3212.75 L/h
Unit
L/h

Confirmed for 2022 to 2023, 2025 to 2026.

Engine fuel rate (alternate) FUEL_RATE_ALTSAE J1979Confirmed

  • Request01 9D
  • Service 01PID 9D
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 50)
Range
0 to 1310.7 g/s
Unit
g/s

Confirmed for 2022. Supported for 2025.

Fuel injection impulse width CX30_FUEL_INJ_IMPULSE

  • Request22 16 8B
  • Service 22DID 168B
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 125000)
Range
0 to 0.1 s
Unit
s

In testing for 2020, 2022 to 2024, 2026. Not supported for 2021, 2025.

Fuel level CX30_FLIConfirmed

Pelican can show this parameter as the fuel tank level.

  • Request22 F4 2F
  • Service 22DID F42F
  • Module7E0 → 7E8
  • Every30 s
  • Testing for 2020, 2024

Example reply from a 2026 Mazda CX-30.

Bits 0 to 7 of the reply, 8 bits.

0x8F = 143 → (143 × 100 ÷ 255) = 56.078431 %

Formula
(val × 100 ÷ 255)
Range
0 to 100 %
Unit
%

Confirmed for 2021 to 2023, 2025 to 2026. In testing for 2020, 2024.

Fuel level CX30_FLI_7E0

Pelican can show this parameter as the fuel tank level.

  • Request22 16 C1
  • Service 22DID 16C1
  • Module7E0 → 7E8
  • Every30 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val × 0.0030518509)
Range
0 to 200 %
Unit
%

In testing for 2020, 2022 to 2024, 2026. Not supported for 2021, 2025.

Fuel level CX30_FUEL_LEVELConfirmed

Pelican can show this parameter as the fuel tank level.

  • Request22 61 B1
  • Service 22DID 61B1
  • Module720 → 728
  • Every1 s
  • Testing for 2020, 2024

Bits 0 to 7 of the reply, 8 bits.

Formula
val
Range
0 to 55 L
Unit
L

Confirmed for 2021 to 2023, 2025 to 2026. In testing for 2020, 2024.

Fuel pump duty cycle CX30_FP_LDConfirmed

  • Request22 03 07
  • Service 22DID 0307
  • Module7E0 → 7E8
  • Every250 ms
  • Testing for 2020, 2024

Example reply from a 2026 Mazda CX-30.

Bits 0 to 15 of the reply, 16 bits.

0x397D = 14717 → (14717 × 25 ÷ 8192) = 44.91272 %

Formula
(val × 25 ÷ 8192)
Range
0 to 100 %
Unit
%

Confirmed for 2021 to 2023, 2025 to 2026. In testing for 2020, 2024.

Fuel pump duty cycle CX30_FUEL_PMP_DUTY

  • Request22 16 72
  • Service 22DID 1672
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val × 25 ÷ 32)
Range
0 to 199.2187 %
Unit
%

In testing for 2020, 2022 to 2024, 2026. Not supported for 2021, 2025.

Fuel pump relay switch CX30_FP_RELAY_SW

  • Request22 17 18
  • Service 22DID 1718
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bit 7 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2020, 2024. Not supported for 2021 to 2023, 2025 to 2026.

Fuel Rail Pressure A FRP_ASAE J1979Confirmed

Displays fuel rail pressure when the reading is referenced to atmosphere (gage pressure).

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bits 24 to 39 of the reply, 16 bits.

Formula
(val × 10)
Range
0 to 655350 kPa
Unit
kPa

Confirmed for 2022. Supported for 2025.

Fuel Rail Pressure B FRP_BSAE J1979Confirmed

Displays fuel rail pressure when the reading is referenced to atmosphere (gage pressure).

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bits 64 to 79 of the reply, 16 bits.

Formula
(val × 10)
Range
0 to 655350 kPa
Unit
kPa

Confirmed for 2022. Supported for 2025.

Fuel Rail Temperature A FRT_ASAE J1979Confirmed

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bits 40 to 47 of the reply, 8 bits.

Formula
(val − 40)
Range
-40 to 215 °C
Unit
°C

Confirmed for 2022. Supported for 2025.

Fuel Rail Temperature B FRT_BSAE J1979Confirmed

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bits 80 to 87 of the reply, 8 bits.

Formula
(val − 40)
Range
-40 to 215 °C
Unit
°C

Confirmed for 2022. Supported for 2025.

Fuel tank level FLISAE J1979Confirmed

Pelican can show this parameter as the fuel tank level.

  • Request01 2F
  • Service 01PID 2F
  • Module7E0 → 7E8
  • Every1 s

Bits 0 to 7 of the reply, 8 bits.

Formula
(val × 100 ÷ 255)
Range
0 to 100 %
Unit
%

Confirmed for 2021 to 2023, 2025. Supported for 2020, 2024, 2026.

Fuel tank pressure CX30_FUEL_TANK_P

  • Request22 16 39
  • Service 22DID 1639
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 6.901311249)
Range
0 to 9496.0214 psi
Unit
psi

In testing for 2020, 2022 to 2024, 2026. Not supported for 2021, 2025.

Fuel temp CX30_FUEL_TConfirmed

  • Request22 05 22
  • Service 22DID 0522
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 2020, 2024, 2026

Example reply from a 2025 Mazda CX-30.

Bits 0 to 7 of the reply, 8 bits.

0x19 = 25 → (25 − 40) = -15 °C

Formula
(val − 40)
Range
-40 to 215 °C
Unit
°C

Confirmed for 2021 to 2023, 2025. In testing for 2020, 2024. Not supported for 2026.

Injector fuel pulse width CX30_FUEL_PW

  • Request22 14 10
  • Service 22DID 1410
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 125)
Range
0 to 524.28
Unit
Number

In testing for 2020, 2024. Not supported for 2021 to 2023, 2025 to 2026.

Vehicle fuel rate VFUEL_RATESAE J1979Confirmed

  • Request01 9D
  • Service 01PID 9D
  • Module7E0 → 7E8
  • Every250 ms

Bits 16 to 31 of the reply, 16 bits.

Formula
(val ÷ 50)
Range
0 to 1310.7 g/s
Unit
g/s

Confirmed for 2022. Supported for 2025.

Fuel › Internal

Commanded Fuel Rail Pressure A data supported? FRP_A_CMD_SUPSAE J1979Confirmed

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bit 7 of the reply.

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2022. Supported for 2025.

Commanded Fuel Rail Pressure B data supported? FRP_B_CMD_SUPSAE J1979Confirmed

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bit 4 of the reply.

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2022. Supported for 2025.

Fuel Rail Pressure A data supported? FRP_A_SUPSAE J1979Confirmed

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bit 6 of the reply.

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2022. Supported for 2025.

Fuel Rail Pressure B data supported? FRP_B_SUPSAE J1979Confirmed

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bit 3 of the reply.

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2022. Supported for 2025.

Fuel Temperature A data supported? FRT_A_SUPSAE J1979Confirmed

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bit 5 of the reply.

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2022. Supported for 2025.

Fuel Temperature B data supported? FRT_B_SUPSAE J1979Confirmed

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bit 2 of the reply.

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2022. Supported for 2025.

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