Diagnosis Item 10: Diagnose when the M.U.T.-III cannot receive the data sent by ABS-ECU <vehicles without ASC> or ASC-ECU <vehicles with ASC>


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 ABS-ECU <vehicles without ASC> or ASC-ECU <vehicles with ASC> connector improperly connected]
  • Malfunction of the wiring harness [open circuit between the ABS-ECU <vehicles without ASC> or ASC-ECU <vehicles with ASC> and the joint connector (CAN3), power supply circuit to the ABS-ECU <vehicles without ASC> or ASC-ECU <vehicles with ASC>]
  • Malfunction of the ABS-ECU <vehicles without ASC> or ASC-ECU <vehicles with ASC>