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Toyota Aygo

Light parameters

The Toyota Aygo has 7 light parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Check engine SW TOYOTA_CHECK_ENGINE_LIGHTConfirmed

  • Request21 12
  • Service 21PID 12
  • Module7C0 → 7C8
  • Every1 s
  • Testing

Example reply from a 2021 Toyota Aygo.

Bit 15 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2019, 2021. In testing for 2005 to 2018, 2020, 2022 to 2026.

  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.

Check engine SW TOYOTA_CHECK_ENGINE_LIGHTConfirmed

  • Request21 12
  • Service 21PID 12
  • Module7C0 → 7C8
  • Every1 s
  • Testing

Example reply from a 2021 Toyota Aygo.

Bit 15 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2019, 2021. In testing for 2005 to 2018, 2020, 2022 to 2026.

Hazard switch history TOYOTA_HAZARD_SWITCH_HISTORYConfirmed

  • Request21 BC
  • Service 21PID BC
  • Module7B0
  • Every3600 s
  • Testing

Example reply from a 2021 Toyota Aygo.

Bit 2 of the reply.

0b0 = 0 → INCOMPLETE

Unit
Named states
States
Raw valueStateMeaning
0INCOMPLETEIncomplete
1COMPLETEComplete

Confirmed for 2019, 2021. In testing for 2005 to 2018, 2020, 2022 to 2026.

Oil pressure switch TOYOTA_EOP_LIGHTConfirmed

  • Request21 12
  • Service 21PID 12
  • Module7C0 → 7C8
  • Every1 s
  • Testing

Example reply from a 2021 Toyota Aygo.

Bit 35 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2019, 2021. In testing for 2005 to 2018, 2020, 2022 to 2026.

P-seatbelt buckle SW TOYOTA_P_SEATBELT_BUCKLE_LIGHTConfirmed

  • Request21 12
  • Service 21PID 12
  • Module7C0 → 7C8
  • Every1 s
  • Testing

Example reply from a 2021 Toyota Aygo.

Bit 8 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2019, 2021. In testing for 2005 to 2018, 2020, 2022 to 2026.

Rheostat TOYOTA_RHEOSTAT

Higher values are brighter

  • Request21 68
  • Service 21PID 68
  • Module7C0 → 7C8
  • Every1 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
val
Range
0 to 255
Unit
Number

In testing for 2005 to 2018, 2020, 2022 to 2026. Not supported for 2019, 2021.

Stop light TOYOTA_STOP_LIGHT_SWITCHConfirmed

  • Request21 25
  • Service 21PID 25
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Example reply from a 2021 Toyota Aygo.

Bit 5 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Number

Confirmed for 2021. In testing for 2005 to 2020, 2022 to 2026.

Tail cancel SW TOYOTA_TAIL_CANCEL_LIGHTConfirmed

  • Request21 12
  • Service 21PID 12
  • Module7C0 → 7C8
  • Every1 s
  • Testing

Example reply from a 2021 Toyota Aygo.

Bit 2 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2019, 2021. In testing for 2005 to 2018, 2020, 2022 to 2026.

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