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DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
B24A1-16A/C AUTO AMP. POWER SUPPLY
(Air conditioning automatic amplifier power supply)
Diagnosis conditionIgnition switch ON
Signal (Terminal)Accessory power supply
ThresholdOpen or shorted to ground
Diagnosis delay time30 seconds or more
 
 
POSSIBLE CAUSE
  • A/C amp.
  • Harness or connector (accessory power supply circuits is open or shorted to ground)
 
 
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