Diagnosis Item 13: Diagnose when the M.U.T.-III cannot receive the data sent by AS&G-ECU <vehicles with automatic stop & go system>



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 (CAN3) or AS&G-ECU connector improperly connected]
  • Malfunction of the wiring harness [open circuit between the AS&G-ECU and the joint connector (CAN3), power supply circuit to the AS&G-ECU]
  • Malfunction of the AS&G-ECU