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DTC Description
 
 
DTC DETECTION LOGIC
DTC Description
M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
U224387Lost Communication with HEVC on CAN CH21Diagnosis conditionElectric motor switch ON
Signal (terminal)CAN communication signal
ThresholdWhen a CAN communication signal is not continuously transmitted to the PHEV-ECU
Diagnosis delay time2 seconds or more
2Diagnosis conditionElectric motor switch ON
Signal (terminal)CAN communication signal
ThresholdWhen a CAN communication signal is not continuously received from the PHEV-ECU.
Diagnosis delay time2 seconds or more
 
 
POSSIBLE CAUSE
noteConfirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.
Stored DTCActive DTC
  • CAN busline
  • Electric driven intelligent brake unit
  • PHEV-ECU
  • Harness or connector
  • CAN busline
  • Electric driven intelligent brake unit
  • PHEV-ECU
 
 
FAIL-SAFE
Normal condition
 
 
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If other “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the electric motor switch OFF before conducting the next test.
:
 
2.CHECK DTC DETECTION
M.U.T.-III SE
  1. Connect the all connectors.
  2. Use the M.U.T.-III SE, then erase the DTC set in the "EBA".
  3. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
  4. Use the M.U.T.-III SE, then check whether the DTC set in the "EBA".
Is DTC “U2243-87” detected?
INSPECTION END