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Home >> Toyota >> 2011 >> Highlander Hybrid Limited >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication System (W/O Smart Key) (Diagnostic Codes & Circuit Tests) (Hybrid) >> CAN COMMUNICATION SYSTEM (w/o Smart Key System) >> Short to B+ in CAN Bus Line >> Description

Short to B+ in CAN Bus Line: Description

There may be a short circuit between the CAN bus lines and +B when the resistance between terminals 6 (CANH) and 16 (BAT) or terminals 14 (CANL) and 16 (BAT) of the DLC3 is below 6 kΩ.

Symptom Trouble Area
The resistance between terminals 6 (CANH) and 16 (BAT) or terminals 14 (CANL) and 16 (BAT) of the DLC3 is below 6 kΩ.
  • Short between CAN bus lines and +B
  • ECM
  • Air conditioning amplifier assembly
  • Skid control ECU assembly
  • Navigation receiver assembly*
  • Hybrid vehicle control ECU
  • Yaw rate sensor assembly
  • Center airbag sensor assembly
  • Steering angle sensor
  • Combination meter assembly
  • Power steering ECU assembly
  • Main body ECU (instrument panel junction block assembly)
  • Bus buffer ECU (accessory gateway)
  • No. 1 junction connector
  • No. 2 junction connector
  • DLC3 CAN branch wire or connector