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Home >> Subaru >> 2015 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Can Communication System) >> CAN Communication System >> Less Than 57 Ω >> Description of functions

Description of functions

WARNING: This page is about a different car, the 2014 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.

If the resistance between the data link connector 6 (CANH) and 14(CANL) is less than 57 Ω, there may be a line-to-line short in CAN bus.

Symptoms Possible cause
Resistance between the data link connectors 6 (CANH)↔14 (CANL) is less than 57 Ω
  • Short between CAN bus main lines
  • Short between CAN bus sub-lines
  • Main body ECM (Multiplex network body computer)
  • Combination meter assembly
  • Collation ECM (Smart key computer assembly) (1)
  • Engine control computer
  • Transmission control computer assembly (2)
  • Brake actuator assembly
  • Spiral cable sub-assembly (with sensor)
  • Power steering computer assembly
  • Air conditioner amplifier assembly (3)
  • Airbag sensor assembly
  • PSP (Accessory bus buffer)
  • Wiring harness connector (CAN J/C1)
  • Wiring harness connector (CAN J/C2)
(1) With smart entry
(2) Transmission A/T
(3) For automatic air conditioning system