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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication System (W/ Central Gateway Ecu) - Circuit Tests - (Hybrid) >> CAN COMMUNICATION SYSTEM (w/ Central Gateway ECU) >> Circuit Tests >> Check Bus 2 Lines for Short Circuit [10/2015 - ] >> Description

Check Bus 2 Lines for Short Circuit [10/2015 - ]: Description

There may be a short circuit between the bus 2 main lines and/or bus 2 branch lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central gateway ECU is below 54 Ω.

Symptom Trouble Area
Resistance between terminals 18 (CA4H) and 17 (CA4L) of the central gateway ECU is below 54 Ω.
  • Short in bus 2 main lines
  • Short in bus 2 branch lines
  • Central gateway ECU
  • ECM
  • Air conditioning amplifier assembly
  • Certification ECU (smart key ECU assembly)
  • Skid control ECU (brake booster with master cylinder assembly)
  • Power steering ECU assembly
  • Airbag ECU assembly
  • Tire pressure warning ECU and receiver
  • Combination meter assembly
  • Main body ECU (multiplex network body ECU)
  • Steering sensor
  • No. 1 CAN junction connector
  • No. 2 CAN junction connector