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Toyota Corolla

ECU parameters

The Toyota Corolla has 5 ECU parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Brake assist status COROLLA_BA_CTRLConfirmed

  • Request21 5F
  • Service 21PID 5F
  • Module7B0 → 7B8
  • Every1 s
  • Testing for 1988 to 2008, 2010 to 2011, 2013, 2015 to 2026

Example reply from a 2014 Toyota Corolla.

Bit 11 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2009, 2012, 2014. In testing for 1988 to 2008, 2011, 2013, 2015 to 2020, 2026. Not supported for 2010, 2021 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.

Brake assist status COROLLA_BA_CTRLConfirmed

  • Request21 5F
  • Service 21PID 5F
  • Module7B0 → 7B8
  • Every1 s
  • Testing for 1988 to 2008, 2010 to 2011, 2013, 2015 to 2026

Example reply from a 2014 Toyota Corolla.

Bit 11 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2009, 2012, 2014. In testing for 1988 to 2008, 2011, 2013, 2015 to 2020, 2026. Not supported for 2010, 2021 to 2025.

Inspection mode COROLLA_INSPECTION_MODEConfirmed

  • Request21 A6
  • Service 21PID A6
  • Module7B0 → 7B8
  • Every60 s
  • Testing for 1988 to 2011, 2013, 2015 to 2026

Example reply from a 2014 Toyota Corolla.

Bit 0 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2012, 2014. In testing for 1988 to 2008, 2011, 2013, 2015 to 2020, 2026. Not supported for 2009 to 2010, 2021 to 2025.

Main idle COROLLA_MAIN_IDLE_SWConfirmed

  • Request21 1D
  • Service 21PID 1D
  • Module7B0 → 7B8
  • Every1 s
  • Testing for 1988 to 2011, 2013, 2015 to 2026

Example reply from a 2014 Toyota Corolla.

Bit 2 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2012, 2014. In testing for 1988 to 2008, 2011, 2013, 2015 to 2020, 2026. Not supported for 2009 to 2010, 2021 to 2025.

Predictive brake assist status COROLLA_PBA_CTRLConfirmed

  • Request21 5F
  • Service 21PID 5F
  • Module7B0 → 7B8
  • Every1 s
  • Testing for 1988 to 2008, 2010 to 2011, 2013, 2015 to 2026

Example reply from a 2014 Toyota Corolla.

Bit 12 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2009, 2012, 2014. In testing for 1988 to 2008, 2011, 2013, 2015 to 2020, 2026. Not supported for 2010, 2021 to 2025.

Reservoir warning COROLLA_RESERVOIR_WARNING_SWConfirmed

  • Request21 1D
  • Service 21PID 1D
  • Module7B0 → 7B8
  • Every1 s
  • Testing for 1988 to 2011, 2013, 2015 to 2026

Example reply from a 2014 Toyota Corolla.

Bit 1 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2012, 2014. In testing for 1988 to 2008, 2011, 2013, 2015 to 2020, 2026. Not supported for 2009 to 2010, 2021 to 2025.

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