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Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Can Communication System (Symptom Tests) (3 Of 3) (Hybrid)) >> CAN COMMUNICATION SYSTEM (for HV Model) >> Check Bus 4 Lines for Short Circuit [08/2021 - 07/2022] >> Description

Check Bus 4 Lines for Short Circuit [08/2021 - 07/2022]: 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 22 (CA2H) and 7 (CA2L) of the central gateway ECU (network gateway ECU) is below 54 Ω.

Symptom Trouble Area
Resistance between terminals 22 (CA2H) and 7 (CA2L) of the central gateway ECU (network gateway ECU) is below 54 Ω.
  • Short in CAN main bus lines
  • Short in CAN branch lines
  • ECM
  • Hybrid vehicle control ECU
  • Central gateway ECU (network gateway ECU)
  • Brake booster with master cylinder assembly
  • Airbag ECU assembly
  • Steering sensor
  • Power steering ECU with motor assembly
  • Brake actuator assembly
  • Tire pressure ECU and receiver
  • Occupant detection ECU
  • No. 4 CAN junction connector
  • No. 7 CAN junction connector
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