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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 >> 4WD Control ECU Communication Stop Mode >> Description
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4WD Control 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
4WD Control ECU Communication Stop Mode
  • "Four Wheel Drive Control" is not displayed on the "CAN Bus Check" screen of the Techstream.
  • Applies to "4WD Control ECU Communication Stop Mode" in "DTC Combination Table".
  • Power source circuit of 4WD control ECU
  • 4WD control ECU branch line or connector
  • 4WD control ECU
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