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Home >> Lexus >> 2019 >> RX 450h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System (Diagnostics - Circuit Tests) (2 Of 2) >> Can Communication System >> Open in Bus 5 Main Bus Line [10/2015 - ] >> Description

Open in Bus 5 Main Bus Line [10/2015 - ]: Description

There may be an open circuit in one of the bus 5 main lines when the resistance between terminals 15 (CA5H) and 16 (CA5L) of the network gateway ECU is 70 Ω or higher.

Symptom Trouble Area
Resistance between terminals 15 (CA5H) and 16 (CA5L) of network gateway ECU is 70 Ω or higher.
  • CAN main bus line or connector
  • Network gateway ECU
  • Combination meter assembly
  • No. 5 CAN junction connector

This malfunction is not related to the lines of a bus 5 branch or to ECUs or sensors connected to a bus 5 branch.

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