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Toyota Prius

Orientation parameters

The Toyota Prius has 13 orientation parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Deceleration open PRIUS_DECELERATION_OPENConfirmed

  • Request21 BE
  • Service 21PID BE
  • Module7B0 → 7B8
  • Every1 s
  • Testing for 1997 to 2015, 2017 to 2026

Example reply from a 2016 Toyota Prius.

Bit 6 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2013, 2024 to 2025.

  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.

Deceleration PRIUS_DECELConfirmed

  • Request21 05
  • Service 21PID 05
  • Module7B0 → 7B8
  • Every250 ms
  • Testing for 1997 to 2015, 2017 to 2026

Bits 0 to 7 of the reply, 8 bits.

Formula
(val × 36.36 ÷ 255 − 18.18)
Range
-18.18 to 18.18 m/s²
Unit
m/s²

Confirmed for 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2013, 2024 to 2025.

Deceleration 2 PRIUS_DECEL_2Confirmed

  • Request21 05
  • Service 21PID 05
  • Module7B0 → 7B8
  • Every250 ms
  • Testing for 1997 to 2015, 2017 to 2026

Bits 8 to 15 of the reply, 8 bits.

Formula
(val × 36.36 ÷ 255 − 18.18)
Range
-18.18 to 18.18 m/s²
Unit
m/s²

Confirmed for 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2013, 2024 to 2025.

Deceleration open PRIUS_DECELERATION_OPENConfirmed

  • Request21 BE
  • Service 21PID BE
  • Module7B0 → 7B8
  • Every1 s
  • Testing for 1997 to 2015, 2017 to 2026

Example reply from a 2016 Toyota Prius.

Bit 6 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2013, 2024 to 2025.

Lateral g PRIUS_LAT_GConfirmed

  • Request21 47
  • Service 21PID 47
  • Module7B0 → 7B8
  • Every250 ms
  • Testing for 1997 to 2009, 2018, 2023 to 2026

Example reply from a 2022 Toyota Prius.

Bits 0 to 7 of the reply, 8 bits. The value is signed.

0x00 = 0 → (0 ÷ 50) = 0 g

Formula
(val ÷ 50)
Range
-2.5 to 2.5 g
Unit
g

Confirmed for 2010 to 2017, 2019 to 2022. In testing for 1997 to 2000, 2002 to 2004, 2006, 2018. Not supported for 2001, 2005, 2007 to 2009, 2023 to 2026.

Longitudinal g PRIUS_LNG_GConfirmed

  • Request21 47
  • Service 21PID 47
  • Module7B0 → 7B8
  • Every250 ms
  • Testing for 1997 to 2009, 2018, 2023 to 2026

Example reply from a 2022 Toyota Prius.

Bits 8 to 15 of the reply, 8 bits. The value is signed.

0x00 = 0 → (0 ÷ 50) = 0 g

Formula
(val ÷ 50)
Range
-2.5 to 2.5 g
Unit
g

Confirmed for 2010 to 2017, 2019 to 2022. In testing for 1997 to 2000, 2002 to 2004, 2006, 2018. Not supported for 2001, 2005, 2007 to 2009, 2023 to 2026.

Yaw rate value, degrees/sec PRIUS_YAW_RATEConfirmed

  • Request21 47
  • Service 21PID 47
  • Module7B0 → 7B8
  • Every250 ms
  • Testing for 1997 to 2009, 2018, 2023 to 2026

Example reply from a 2022 Toyota Prius.

Bits 16 to 23 of the reply, 8 bits.

0x80 = 128 → (128 − 128) = 0 °

Formula
(val − 128)
Range
-128 to 127 °
Unit
°

Confirmed for 2010 to 2017, 2019 to 2022. In testing for 1997 to 2000, 2002 to 2004, 2006, 2018. Not supported for 2001, 2005, 2007 to 2009, 2023 to 2026.

Yaw rate, error? PRIUS_YAW_RATE_OPEN_ERRORConfirmed

  • Request21 BE
  • Service 21PID BE
  • Module7B0 → 7B8
  • Every1 s
  • Testing for 1997 to 2015, 2017 to 2026

Example reply from a 2016 Toyota Prius.

Bit 5 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2013, 2024 to 2025.

Yaw rate, sensor 1 PRIUS_YAW_1Confirmed

  • Request21 06
  • Service 21PID 06
  • Module7B0 → 7B8
  • Every250 ms
  • Testing for 1997 to 2015, 2017 to 2026

Example reply from a 2016 Toyota Prius.

Bits 0 to 7 of the reply, 8 bits.

0x7F = 127 → (127 − 128) = -1

Formula
(val − 128)
Range
-128 to 127
Unit
Number

Confirmed for 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2013, 2024 to 2025.

Yaw rate, sensor 2 PRIUS_YAW_2Confirmed

  • Request21 06
  • Service 21PID 06
  • Module7B0 → 7B8
  • Every250 ms
  • Testing for 1997 to 2015, 2017 to 2026

Example reply from a 2016 Toyota Prius.

Bits 8 to 15 of the reply, 8 bits.

0x7F = 127 → (127 − 128) = -1

Formula
(val − 128)
Range
-128 to 127
Unit
Number

Confirmed for 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2013, 2024 to 2025.

Zero point of deceleration PRIUS_ZP_DECConfirmed

  • Request21 46
  • Service 21PID 46
  • Module7B0 → 7B8
  • Every250 ms
  • Testing for 1997 to 2015, 2017 to 2026

Example reply from a 2016 Toyota Prius.

Bits 0 to 7 of the reply, 8 bits. The value is signed.

0xFF = -1 → (-1 ÷ 50) = -0.02 g

Formula
(val ÷ 50)
Range
-2.56 to 2.54 g
Unit
g

Confirmed for 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2013, 2024 to 2025.

Zero point of deceleration 2 PRIUS_ZP_DEC2Confirmed

  • Request21 46
  • Service 21PID 46
  • Module7B0 → 7B8
  • Every250 ms
  • Testing for 1997 to 2015, 2017 to 2026

Example reply from a 2016 Toyota Prius.

Bits 8 to 15 of the reply, 8 bits. The value is signed.

0x00 = 0 → (0 ÷ 50) = 0 g

Formula
(val ÷ 50)
Range
-2.56 to 2.54 g
Unit
g

Confirmed for 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2013, 2024 to 2025.

Zero point of yaw rate PRIUS_ZERO_POINT_OF_YAW_RATE

  • Request21 A1
  • Service 21PID A1
  • Module7B0 → 7B8
  • Every3600 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val − 128)
Range
-128 to 127
Unit
Number

In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2013, 2016, 2024 to 2025.

Zero point of yaw rate, degrees/sec PRIUS_ZP_YAWConfirmed

  • Request21 46
  • Service 21PID 46
  • Module7B0 → 7B8
  • Every250 ms
  • Testing for 1997 to 2015, 2017 to 2026

Example reply from a 2016 Toyota Prius.

Bits 16 to 23 of the reply, 8 bits.

0x80 = 128 → (128 − 128) = 0

Formula
(val − 128)
Range
-128 to 127
Unit
Number

Confirmed for 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2013, 2024 to 2025.

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