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Home >> Lexus >> 2017 >> GS 350 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System (Circuit Tests) (3 Of 3) >> Can Communication System >> Circuit Tests >> Open in Bus 5 Main Bus Line [10/2015 - 09/2018] >> Description
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Open in Bus 5 Main Bus Line [10/2015 - 09/2018]: 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 central gateway ECU is 70 Ω or higher.

Symptom Trouble Area
Resistance between terminals 15 (CA5H) and 16 (CA5L) of central gateway ECU is 70 Ω or higher.
  • Bus 5 CAN main wire or connector
  • Central gateway ECU
  • No. 4 CAN junction connector
  • No. 8 CAN junction connector
  • No. 9 CAN junction connector

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

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