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DTC Description
 
 
DTC DETECTION LOGIC
DTC M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
U275F 88Ethernet circuit
(Ethernet circuit)
Diagnosis condition READY indicator: ON
Signal (terminal) Ethernet
Threshold If distance sensor is not receiving ethernet communication signal from ADAS control unit 2
Diagnosis delay time 5 seconds or more
 
 
POSSIBLE CAUSE
  • Ethernet harness
  • ADAS control unit 2
  • Distance sensor
 
 
FAIL-SAFE
The following systems are canceled.
  • Vehicle-to-vehicle distance control mode
  • Conventional (fixed speed) cruise control mode
  • Steering wheel assistance function
  • FCM
  • PFCW
 
 
CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
  1. Change the power supply mode of the electric motor switch to ON (READY indicator: ON), then wait for 5 seconds.
  2. Perform “Read All DTCs” with M.U.T.-III SE.
  3. Check if the DTC “U275F-88” is detected as the current malfunction in "Diagnostic Trouble Code" of “LASER/RADAR”.
Is DTC “U275F-88” detected as the current malfunction?
Refer to DTC Diagnosis ProcedureDiagnosis Procedure.
-1 To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2 Confirmation after repair: INSPECTION END