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ECM Communication Stop Mode: Description

WARNING: This page is about a different car, the 2008 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM TABLE

Detection Item Symptom Trouble Area
ECM Communication Stop Mode
  • "ENGINE" and "ECT" are not displayed on the "BUS CHECK" screen of the intelligent tester
  • Applies to "ECM Communication Stop Mode" in the "DTC COMBINATION TABLE"
  • ECM branch wire or connector
  • Power source circuit of the ECM
  • ECM

HINT:

"ENGINE" and "ECT" refer to the circuit that includes the ECM.

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