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Home >> Toyota >> 2012 >> Matrix Base, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 199 (Can Communication System (Diagnostics & Symptom Tests)) >> Can Communication System >> Symptom Tests >> Main Body ECU Communication Stop Mode >> Description
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Main Body ECU Communication Stop Mode: Description

WARNING: This page is about a different car, the 2011 Toyota Matrix. However, it is still accessible from the selected car via links, so may be relevant.
Detection Item Symptom Trouble Area
Main Body ECU Communication Stop Mode
  • "Main body" is not displayed on the "CAN Bus Check" screen of the Techstream
  • Applies to "Main Body ECU Communication Stop Mode" in "DTC Combination Table"
  • Power source circuit of the main body ECU
  • Main body ECU branch wire or connector
  • Main body ECU
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