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DTC Description
 
 
DTC DETECTION LOGIC
DTC No. M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
B274B-87ABS actuator and electric unit (control unit)
[ABS actuator and electric unit (control unit)]
Diagnosis conditionWhen electric motor switch is ON
Signal (terminal)—
ThresholdCommunication error between sonar control unit and ABS actuator and electric unit (control unit)
Diagnosis delay time2 seconds or more
 
 
POSSIBLE CAUSE
  • Sonar control unit
  • ABS actuator and electric unit (control unit)
 
 
FAIL-SAFE
Obstacle detection function is deactivated.
 
 
CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With M.U.T.-III SE
  1. Turn electric motor switch ON.
  2. Turn electric motor switch OFF and wait for 30 seconds.
  3. Turn electric motor switch ON and wait at least 2 seconds or more.
  4. Select “Diagnostic Trouble Code” mode of “SONAR” using M.U.T.-III SE.
  5. Check DTC.
Is DTC B274B-87 detected?
Proceed to Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END