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DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
U225287CAN comm err (ADAS control unit)
[Controller area network communication error (advanced driver assistance systems control unit)]
1Diagnosis condition
  • When electric motor switch is ON.
  • When the power supply voltage is normal.
Signal (terminal)CAN communication signal
ThresholdWhen CAN communication signal is not continuously transmitted to ADAS control unit 2.
Diagnosis delay time2 seconds or more
2Diagnosis condition
  • When electric motor switch is ON.
  • When the power supply voltage is normal.
Signal (terminal)CAN communication signal
ThresholdWhen CAN communication signal is not continuously received from ADAS control unit 2.
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 DTC DTC
  • Harness or connector
  • CAN communication line
CAN communication system
 
 
FAIL-SAFE
Normal control
 
 
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE" has been previously conducted, always electric motor switch OFF (Auto ACC function OFF) before conducting the next test.
: .
 
2.CHECK DTC DETECTION
With M.U.T.-III SE
  1. Electric motor switch OFF (Auto ACC function OFF).
  2. Electric motor switch ON.
    noteWait at least 10 seconds after electric motor switch ON.
  3. Perform Diagnostic Trouble Code for “ABS".
Is DTC “U2252-87" 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 Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END