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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 112 (Can Communication System - Circuit Tests (3 Of 4)) >> CAN COMMUNICATION SYSTEM (for 1Motor-HEV Model) >> Check Bus 4 Line [09/2023 - ] >> Description

Check Bus 4 Line [09/2023 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
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
  • Rack and pinion power steering gear assembly
  • No. 1 global CAN junction connector
  • No. 6 global CAN junction connector
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