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Home >> Toyota >> 2025 >> Prius Plug-In Hybrid SE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Can Communication System (HEV) - Circuit Tests (2 Of 3)) >> CAN COMMUNICATION SYSTEM (for HEV Model) >> Check Bus 1 Line [12/2022 - ] >> Description

Check Bus 1 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)
  • Clearance warning ECU assembly (w/ Intuitive Parking Assist System)
  • Forward recognition camera
  • Millimeter wave radar sensor assembly
  • Front side radar sensor (A) (w/ Front Side Radar Sensor System)
  • Parking assist ECU (w/ Panoramic View Monitor System)
  • Blind spot monitor sensor LH (B)
  • Rear television camera assembly (w/ Parking Assist Monitor System)
  • No. 2 global CAN junction connector
  • No. 11 global CAN junction connector
  • No. 12 global CAN junction connector (w/ Panoramic View Monitor System)
  • No. 15 global CAN junction connector
  • No. 16 global CAN junction connector (w/ Parking Assist Monitor System)
  • No. 2 CAN junction terminal