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Open in One Side of CAN Branch Line: Description

WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

If 2 or more ECUs and/or sensors do not appear on the Techstream's "CAN Bus Check" screen via the CAN VIM, one side of the CAN branch wire may be open. (One side of the CANH [branch wire] /CANL [branch wire] of the ECU and/or sensor is open.)

SYMPTOM CHART

Symptom Trouble Area
2 or more ECUs and/or sensors do not appear on Techstream "CAN Bus Check" screen via CAN VIM.
  • One side of CAN branch wire is open
  • ABS and traction actuator (skid control ECU)
  • Power steering ECU
  • Steering angle sensor
  • Yaw rate sensor
  • Center airbag sensor
  • Air conditioning amplifier
  • Instrument panel junction block (Main body ECU)
  • 4WD control ECU
  • No. 1 junction connector
  • No. 2 junction connector
  • No. 3 junction connector
  • No. 4 junction connector