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< ECU Diagnostics and Data Logging | | Reading and reflashing ECUs >

When tuning, these are the most popular and useful things to use when logging. If you are sharing logs with others (for advice), please make sure that the items below are included.

Subaru DBW/Non-DBW Parameters

  • Advance Multiplier
  • Air Flow Sensor Voltage
  • Engine Load
  • Engine Speed
  • Ignition Timing
  • Intake Air Temperature
  • Intake VVT Advance Angle (STi and other models only)
  • Knock Correction
  • Manifold Relative Pressure (corrected)
  • Mass Air Flow
  • Primary Wastegate Duty Cycle
  • Throttle Opening Angle
  • Vehicle Speed MPH
  • Ext LM1_O2 (Any wideband IF available!)

Open Source ROMs forum, what should I log thread, author - ev8siv3

You may notice that your data logging software does not log IAM and Load. This is because these tools must be configured with the (hex) addresses of these paramters as it varies from car to car. Refer to the IAM & Load Memory Locations article for known addresses.

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Page last modified on January 17, 2007, at 09:22 AM
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