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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 2 Line [12/2019 - 11/2023] >> Description

Check Bus 2 Line [12/2019 - 11/2023]: 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)
  • ECM
  • Hybrid vehicle control ECU
  • Vehicle approaching speaker controller
  • No. 1 skid control ECU (brake booster with master cylinder assembly)
  • No. 2 skid control ECU (brake actuator assembly)
  • Inverter with converter assembly
  • No. 1 global CAN junction connector
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