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Home >> Toyota >> 2019 >> Sienna SE, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication System - Diagnostic Codes (2 Of 2) & Circuit Tests (1 Of 3) >> Can Communication System >> Circuit Tests >> 4WD Control ECU Communication Stop Mode [08/2016 - 11/2017] >> Description

4WD Control ECU Communication Stop Mode [08/2016 - 11/2017]: Description

Detection Item Symptom Trouble Area
4WD Control ECU Communication Stop Mode
  • "Four Wheel Drive Control" is not displayed on "CAN Bus Check" screen of Techstream
  • Applies to "4WD Control ECU Communication Stop Mode" in "DTC combination table"
  • Power source or inside 4WD ECU assembly
  • 4WD ECU assembly branch wire and connector
  • 4WD ECU assembly

HINT: 

For AWD without smart key system only.

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