Code No. U1415 Variant coding not implemented


caution
  • If there is any problem in the CAN bus lines, an incorrect diagnosis code may be set. Prior to this diagnosis, diagnose the CAN bus lines (Refer to GROUP 54C, CAN Bus Diagnostics Table ).
  • Whenever ECU is replaced, ensure that the CAN bus lines are normal.
  • When the diagnosis code No.U1415 is set in 4WD-ECU, the diagnosis code may also be set in ETACS-ECU. When the diagnosis code is set in ETACS-ECU, carry out the diagnosis of the diagnosis code for ETACS-ECU first.

OPERATION



DIAGNOSIS CODE SET CONDITIONS



PROBABLE CAUSES


Current trouble
  • 4WD-ECU malfunction
  • Variant coding for ETACS-ECU has not been implemented.
  • Wiring harness or connector failure in the CAN bus lines between ETACS-ECU and 4WD-ECU
Past trouble
    4WD-ECU diagnosis code No.U1415 has not been erased.