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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System (Except HV) - Circuit Tests (5 Of 8) >> CAN COMMUNICATION SYSTEM (for Gasoline Model) >> Check Bus 3 Line [10/2022 - 11/2023] >> Description

Check Bus 3 Line [10/2022 - 11/2023]: Description

Symptom Trouble Area
There are ECUs or sensors that display a communication stop on the bus diagnostic screen. Or, there are ECUs or sensors that display communication stop history on the "Detail" screen.
  • CAN main bus line, CAN branch line or connector
  • Central gateway ECU (network gateway ECU)
  • DCM (telematics transceiver) (w/ Telematics Transceiver)
  • Radio and display receiver assembly
  • No. 7 global CAN junction connector
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