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Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 71 (Can Communication System (Symptom Tests) (2 Of 3) (Hybrid)) >> CAN COMMUNICATION SYSTEM (for HV Model) >> Check Bus 2 Lines for Short Circuit [10/2018 - 10/2019] >> Description

Check Bus 2 Lines for Short Circuit [10/2018 - 10/2019]: Description

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There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central gateway ECU (network gateway ECU) is below 54 Ω.

Symptom Trouble Area
Resistance between terminals 18 (CA4H) and 17 (CA4L) of the central gateway ECU (network gateway ECU) is below 54 Ω.
  • Short in CAN main bus lines
  • Short in CAN branch lines
  • Hybrid vehicle control ECU
  • Central gateway ECU (network gateway ECU)
  • Inverter with converter assembly
  • ECM
  • Rear hybrid motor control assembly

    (for AWD)

  • No. 3 CAN junction connector
  • No. 6 CAN junction connector
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