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DTC Description
 
 
DTC DETECTION LOGIC
DTC No. M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
B1347-49 Bluetooth module
(Bluetooth module)
Diagnosis conditionWhen electric motor switch is ON
Signal (terminal)—
ThresholdInternal error
Diagnosis delay time50 seconds or more
 
 
POSSIBLE CAUSE
AV control unit internal error (Bluetooth® module)
 
 
FAIL-SAFE
Bluetooth® does not operate.
 
 
CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With M.U.T.-III SE
  1. Turn the electric motor switch ON.
  2. Turn the electric motor switch OFF and wait for 4 minutes.
  3. Turn the electric motor switch ON and wait at least 1 minute or more.
  4. Select “Diagnostic Trouble Code” mode of “MULTI AV” using M.U.T.-III SE.
  5. Check DTC.
Is DTC B1347-49 detected?
Proceed to Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END