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DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detected condition
U278C-87Ethernet connection error
(Ethernet connection error)
Diagnosis conditionWhen engine is running
Signal (terminal)—
ThresholdIf combination meter is not receiving ethernet communication signal from 8CH CAN gateway
Diagnosis delay time5 seconds or more
 
 
POSSIBLE CAUSE
  • Ethernet harness
  • Combination meter
  • 8CH CAN gateway
 
 
FAIL-SAFE
—
 
 
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
  1. Turn ignition switch ON and wait for 5 seconds or more.
  2. Check “Self Diagnostic Result” of “METER/M&A.”
Is DTC U278C-87 detected?
Refer to Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END