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Toyota GR Corolla

Light parameters

The Toyota GR Corolla has 8 light parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Check engine SW GRCOROLLA_CHECK_ENGINE_LIGHT

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

Bit 15 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2022 to 2023. Not supported for 2024 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 GRCOROLLA_CHECK_ENGINE_LIGHT

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

Bit 15 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2022 to 2023. Not supported for 2024 to 2026.

Hazard switch history GRCOROLLA_HAZARD_SWITCH_HISTORY

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

Bit 2 of the reply.

Unit
Named states
States
Raw valueStateMeaning
0INCOMPLETEIncomplete
1COMPLETEComplete

In testing for 2022 to 2023. Not supported for 2024 to 2026.

Oil pressure switch GRCOROLLA_EOP_LIGHT

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

Bit 35 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2022 to 2023. Not supported for 2024 to 2026.

P-seatbelt buckle SW GRCOROLLA_P_SEATBELT_BUCKLE_LIGHT

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

Bit 8 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2022 to 2023. Not supported for 2024 to 2026.

Rheostat GRCOROLLA_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 2022 to 2023. Not supported for 2024 to 2026.

Stop light GRCOROLLA_STOP_LIGHT_SW

  • Request21 1F
  • Service 21PID 1F
  • Module7B0 → 7B8
  • Every1 s
  • Testing

Bit 0 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2022 to 2023. Not supported for 2024 to 2026.

Stop light relay GRCOROLLA_STOP_LIGHT_RELAY

  • Request21 3C
  • Service 21PID 3C
  • Module7B0 → 7B8
  • Every1 s
  • Testing

Bit 0 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2022 to 2023. Not supported for 2024 to 2026.

Tail cancel SW GRCOROLLA_TAIL_CANCEL_LIGHT

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

Bit 2 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2022 to 2023. Not supported for 2024 to 2026.

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