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Home >> Toyota >> 2025 >> Prius Plug-In Hybrid SE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 21 (Can Communication System (HEV) - Circuit Tests (3 Of 3)) >> CAN COMMUNICATION SYSTEM (for HEV Model) >> Check Bus 4 Line [12/2022 - ] >> Description

Check Bus 4 Line [12/2022 - ]: 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)
  • Airbag ECU assembly
  • No. 1 skid control ECU (brake booster with master cylinder assembly)
  • No. 2 skid control ECU (brake actuator assembly)
  • Steering sensor
  • Power steering ECU assembly
  • No. 3 global CAN junction connector
  • No. 4 global CAN junction connector
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