[Previous][Next]
DTC Description
 
 
DTC DETECTION LOGIC
DTC Description
M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
U224387CAN comm err (VCM/HCM)
[Controller area network communication error (PHEV-ECU)]
1Diagnosis condition
  • Electric motor switch ON
  • Power supply voltage is normal
Signal (terminal)CAN communication signal
ThresholdThe CAN communication signals are not continuously sent to the PHEV-ECU.
Diagnosis delay time2 seconds or more
2Diagnosis condition
  • Electric motor switch ON
  • Power supply voltage is normal
Signal (terminal)CAN communication signal
ThresholdThe CAN communication signals are not continuously received from the PHEV-ECU.
Diagnosis delay time2 seconds or more
 
 
POSSIBLE CAUSE
noteConfirm if DTC is Stored DTC or Active DTC. If DTC is Active DTC, proceed with Diagnosis Procedure. If DTC is Stored DTC, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a Stored DTC DTC.
Stored DTC DTCActive DTCDTC
  • Harness or connector
  • CAN communication line
CAN communication system
 
 
FAIL-SAFE
Stop the following operations.
  • TCS function
  • Brake Limited Slip Differential (BLSD) function
  • Brake assist function
  • Hill start assist function
  • Electric parking brake function
  • Hill descent control function
 
 
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn the electric motor switch OFF (Auto ACC function OFF) before conducting the next test.
:
 
2.CHECK DTC DETECTION
M.U.T.-IIISE
  1. Change the power supply mode of the electric motor switch to OFF (Auto ACC function OFF).
  2. Change the power supply mode of the electric motor switch is ON (READY indicator: ON)
    noteWait at least 10 seconds after change the electric motor switch to ON,
  3. Perform Diagnostic Trouble Code for “ABS".
Is DTC "U2243-87" detected?
-1"Active DTC" is displayed. Refer to Diagnosis Procedure.
-2“Stored DTC" is displayed: INSPECTION END (Erase the memory of Diagnostic Trouble Code results.)
-1To check malfunction symptom before repair: Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS. Refer to Intermittent Incident.
-2Confirmation after repair: INSPECTION END