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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 133 (Can Communication System - Circuit Tests (3 Of 3)) >> CAN COMMUNICATION SYSTEM (for Gasoline Model) >> Check Bus 7 Line [10/2022 - ] >> Description

Check Bus 7 Line [10/2022 - ]: Description

WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. 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 or connector
  • Central gateway ECU (network gateway ECU)
  • Option connector (bus buffer ECU)
  • CAN compatible optional devices