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DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen items
(Trouble diagnosis content)
DTC detection condition
B2FAC-12Accessory relay
(Accessory relay)
Diagnosis conditionWhen electric motor switch is ON.
Signal (terminal)Accessory relay control signal (terminal #34)
Threshold16 V or more
Diagnosis delay time1 second or more
 
 
POSSIBLE CAUSE
  • Harness or connectors (Accessory relay control signal circuit is shorted to battery)
  • Accessory relay
  • BCM
 
 
FAIL-SAFE
—
 
 
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With M.U.T.-III SE
  1. Electric motor switch is ON.
  2. Check "Diagnostic Trouble Code" of “BCM” using M.U.T.-III SE.
Is DTC detected?
Refer to Diagnosis Procedure.
-1 To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2 Confirmation after repair: INSPECTION END