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Home >> Toyota >> 2009 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 44 (Networking) >> Can Communication System >> Open in CAN Main Bus Line >> Description
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Open in CAN Main Bus Line: Description

WARNING: This page is about a different car, the 2009 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

There may be an open circuit in the CAN main wire and/or the DLC3 branch wire when the resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is 70 Ω, or higher.

SYMPTOM CHART

Symptom Trouble Area
Resistance between terminals 6 (CANH) and 14 (CANL) of DLC3 is 70 Ω or higher.
  • CAN bus main wire or connector
  • CAN No. 1 junction connector
  • CAN No. 2 junction connector
  • ECM
  • Combination meter