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DTC Description
 
 
DTC DETECTION LOGIC
DTC No. M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
U2156-87CAN comm err (steering angel sensor)
[Control Area Network communication error (steering angel sensor)]
Diagnosis conditionWhen electric motor 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 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 U2156-87 detected?
Proceed to Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END