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Toyota Matrix

Light parameters

The Toyota Matrix has 7 light parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Stop light TOYOTA_STOP_LIGHT_SWITCHConfirmed

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

Example reply from a 2010 Toyota Matrix.

Bit 5 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Number

Confirmed for 2010. In testing for 2003, 2005 to 2007, 2009, 2011 to 2014. Not supported for 2004, 2008.

  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_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 2003, 2005 to 2007, 2009 to 2014. Not supported for 2004, 2008.

Hazard switch history TOYOTA_HAZARD_SWITCH_HISTORY

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

Bit 2 of the reply.

Unit
Named states
States
Raw valueStateMeaning
0INCOMPLETEIncomplete
1COMPLETEComplete

In testing for 2003, 2005 to 2007, 2009 to 2014. Not supported for 2004, 2008.

Oil pressure switch TOYOTA_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 2003, 2005 to 2007, 2009 to 2014. Not supported for 2004, 2008.

P-seatbelt buckle SW TOYOTA_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 2003, 2005 to 2007, 2009 to 2014. Not supported for 2004, 2008.

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 2003, 2005 to 2007, 2009 to 2014. Not supported for 2004, 2008.

Stop light TOYOTA_STOP_LIGHT_SWITCHConfirmed

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

Example reply from a 2010 Toyota Matrix.

Bit 5 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Number

Confirmed for 2010. In testing for 2003, 2005 to 2007, 2009, 2011 to 2014. Not supported for 2004, 2008.

Tail cancel SW TOYOTA_TAIL_CANCEL_LIGHTConfirmed

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

Example reply from a 2010 Toyota Matrix.

Bit 2 of the reply.

0b1 = 1 → 1

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2010. In testing for 2003, 2005 to 2007, 2009, 2011 to 2014. Not supported for 2004, 2008.

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