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DTC Description
 
 
DTC DETECTION LOGIC
DTC No. M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
U2154-87CAN comm err (MIU)
[Control Area Network communication error (MIU)]
Diagnosis conditionWhen ignition switch is ON
Signal (terminal)CAN communication signal
ThresholdSonar control unit cannot communicate CAN communication signal
Diagnosis delay time2 seconds or more
 
 
POSSIBLE CAUSE
CAN communication system
 
 
FAIL-SAFE
—
 
 
CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With M.U.T.-III SE
  1. Turn ignition switch ON.
  2. Turn ignition switch OFF and wait for 30 seconds.
  3. Turn ignition switch ON and wait at least 2 seconds or more.
  4. Select “Self Diagnostic Result” mode of “SONAR” using M.U.T.-III SE.
  5. Check DTC.
Is DTC U2154-87 detected?
Proceed to Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END