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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 132 (Can Communication System (HV) - Circuit Tests (5 Of 9)) >> CAN COMMUNICATION SYSTEM (for HV Model) >> Check Bus 3 Line [12/2019 - 10/2022] >> Description

Check Bus 3 Line [12/2019 - 10/2022]: Description

WARNING: This page is about a different variant/trim than selected.
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 (for 8 Inch Display)
  • Radio receiver assembly (for 12.3 Inch Display)
  • No. 7 global CAN junction connector
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