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Home >> Subaru >> 2013 >> BRZ Premium, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Can Communication System (Diagnostics)) >> CAN Communication System >> Exceeding 63 Ω >> Notes

Exceeding 63 Ω: Notes

WARNING: This page is about a different car, the 2018 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.

Description of functions

If the resistance between the data link connector 6 (CANH) ← →14 (CANL) is exceeding 63 Ω, CAN bus main line or the sub-line to the data link connector may be open.

Symptoms Possible cause
Resistance between the data link connectors 6 (CANH) ← →14 (CANL) exceeds 63 Ω  
  • Open circuit in the sub-line or defective connector in the data link connector
  • Open circuit in CAN bus main line or connector defect
  • Wiring harness connector (CAN J/C1)
  • Wiring harness connector (CAN J/C2)
  • Engine control computer, internal error
  • Brake actuator ASSY, internal error

This malfunction is not caused by CAN bus sub-line or each ECM and sensor connected to CAN bus sub-line.