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Home >> Toyota >> 2018 >> Prius C One >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication System (W/O Safety Sense C) - Diagnostic Codes & Symptom Tests >> CAN COMMUNICATION SYSTEM(w/o Toyota Safety Sense C) >> Check CAN Bus Line for Short to +B [11/2015 - ] >> Description

Check CAN Bus Line for Short to +B [11/2015 - ]: Description

There may be a short circuit between one of the CAN bus lines and +B when no resistance exists between terminals 6 (CANH) and 16 (BAT) or 14 (CANL) and 16 (BAT) of the DLC3.

Symptom Trouble Area
No resistance exists between terminals 6 (CANH) and 16 (BAT) or 14 (CANL) and 16 (BAT) of the DLC3.
  • Short to +B in CAN main bus line
  • Short to +B in CAN branch line
  • ECM
  • Brake booster with master cylinder assembly (Skid control ECU)
  • Main body ECU (Multiplex network body ECU)
  • Air conditioning amplifier assembly
  • Power steering ECU assembly
  • Smart key ECU assembly (Certification ECU)*1
  • Airbag sensor assembly
  • Spiral cable with sensor sub-assembly (Steering sensor)
  • Hybrid vehicle control ECU
  • Combination meter assembly
  • Radio and display receiver assembly*2
  • Navigation receiver assembly*3
  • CAN junction connector LH
  • CAN junction connector RH