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DTC Description
 
 
DTC DETECTION LOGIC
DTC No. M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
B130F‐12Front LH speaker
(Front left speaker)
Diagnosis conditionWhen electric motor switch is ON.
Signal (terminal)Sound signal (AV control unit and front door speaker LH)
ThresholdShort to power supply circuit
Diagnosis delay time1 second or more
 
 
POSSIBLE CAUSE
  • Front door speaker LH circuit
  • Front door speaker LH
 
 
FAIL-SAFE
No sound from front door speaker LH.
 
 
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 at least 4 minutes or more.
  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 “B130F‐12” detected?
Proceed to Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END