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Home >> Toyota >> 2012 >> Sienna SE >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System (Diagnostic Codes & Circuit Tests) >> Can Communication System >> Circuit Tests >> Check CAN BUS Line for Short to GND >> Description

Check CAN BUS Line for Short to GND: Description

There may be a short circuit between the CAN bus line and GND when there is resistance between terminals 6 (CANH) and 4 (CG) or terminals 14 (CANL) and 4 (CG) of the DLC3.

Symptom Trouble Area
There is resistance between terminals 6 (CANH) and 4 (CG) or terminals 14 (CANL) and 4 (CG) of the DLC3.
  • Short to GND
  • ECM
  • Center airbag sensor assembly
  • Power management control ECU*1
  • Certification ECU*1
  • Air conditioning amplifier assembly*2
  • Network gateway ECU*2
  • Main body ECU
  • Combination meter assembly
  • 4WD control ECU*3
  • Yaw rate sensor*4
  • Skid control ECU*4, *5
  • Steering angle sensor
  • Power steering ECU
  • No. 1 junction connector
  • No. 2 junction connector

*1: w/ Smart Key System

*2: w/o Smart Key System

*3: for AWD

*4: w/ VDIM

*5: w/ VSC

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