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Home >> Lexus >> 2008 >> SC 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 31 (Can Communication) >> 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 2007 Lexus SC 430. 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 bus line and / or the DLC3 sub bus line when the resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is 69 Ω or higher.

TROUBLESHOOTING CHART

Symptom Trouble Area
Resistance between terminals 6 (CANH) and 14 (CANL) of DLC3 is 69 Ω or more.
  • CAN main bus line or connector
  • ECM
  • Translate ECU
  • DLC3 sub bus line or connector