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4WD Control ECU Communication Stop Mode: Description

WARNING: This page is about a different car, the 2006 Lexus IS 350 and 2006 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
4WD CONTROL ECU COMMUNICATION STOP MODE

Detection Item Symptom Trouble Area
4WD Control ECU Communication Stop Mode
  • "4WD" is not displayed on the "BUS CHECK" screen of the intelligent tester
  • Applies to "4WD Control ECU Communication Stop Mode" in the "DTC COMBINATION TABLE"
  • Power source circuit of the 4WD control ECU
  • 4WD control ECU branch line or connector
  • 4WD control ECU

HINT:

"4WD" refers to the circuit that includes the 4WD control ECU.

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