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Certification ECU Communication Stop Mode [12/2019 - 11/2023]: Description

Detection Item Symptom Trouble Area
Certification ECU Communication Stop Mode Communication stop for "Certification (Smart)" is indicated on the "Communication Bus Check" screen of the GTS.
Refer to DIAGNOSIS SYSTEM [12/2019 - 09/2020] , or refer to DIAGNOSIS SYSTEM [09/2020 - 10/2022] , or refer to DIAGNOSIS SYSTEM [10/2022 - 11/2023]
  • Certification ECU (smart key ECU assembly) branch line or connector
  • Power source circuit of certification ECU (smart key ECU assembly)
  • Certification ECU (smart key ECU assembly) ground circuit
  • Certification ECU (smart key ECU assembly)
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