[Previous][Next]
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 ignition 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 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 B274B-87 detected?
Proceed to Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END