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DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
U1CB1-02Rear A/C control communication
(Rear air control communication)
Diagnosis conditionIgnition switch ON
Signal (Terminal)LIN (rear air control) signal
ThresholdReceive internal circuit error message via rear air control to LIN communication
Diagnosis delay time2 second or more
 
 
POSSIBLE CAUSE
Rear air control (internal circuit malfunction)
 
 
FAIL-SAFE
—
 
 
DTC CONFIRMATION PROCEDURE
1.PERFORM SELF-DIAGNOSIS
With M.U.T.-III SE
  1. Ignition switch ON.
  2. Select “Self Diagnostic Result” mode of “HVAC” using M.U.T.-III SE.
  3. Check DTC.
Is DTC detected?
Refer to Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END