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DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
B24A1-17A/C auto AMP.
(Air conditioning automatic amplifier)
Diagnosis conditionWhen electric motor switch is OFF (not auto ACC status)
Signal (Terminal)Accessory power supply
ThresholdShorted to battery
Diagnosis delay time30 seconds or more
 
 
POSSIBLE CAUSE
  • A/C amp.
  • Harness or connector (accessory power supply circuits is shorted to battery)
 
 
FAIL-SAFE
—
 
 
DTC CONFIRMATION PROCEDURE
1.PERFORM DIAGNOSTIC TROUBLE CODE
With M.U.T.-III SE
  1. Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
  2. Select “Diagnostic Trouble Code” 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