Diagnosis Item 24: Diagnose the ETACS-ECU, joint connector (CAN1) or lines between ETACS-ECU and joint connector (CAN1)



caution When servicing a CAN bus line, earth yourself by touching a metal object such as an unpainted water pipe. If you fail to do, a component connected to the CAN bus line may be broken.

FUNCTION




TROUBLE JUDGEMENT CONDITIONS




TROUBLESHOOTING HINTS



  • Malfunction of the connector [joint connector (CAN1) or ETACS-ECU connector improperly connected]
  • Malfunction of the wiring harness [open circuit between the ETACS-ECU connector and the joint connector (CAN1)]
  • Malfunction of the ETACS-ECU