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DTC Description
 
 
DTC DETECTION LOGIC
noteIf all of door motors DTC (B2480-93*, B24F5-93, B24F6-93, B24F7-93, B24F8-93) are detected, check “DOOR MOTOR CIRCUIT”. Refer to Diagnosis Procedure.
*: With rear air control
DTC No.M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
B24F7-93Air mix door motor 1
(Air mix door motor 1)
Diagnosis conditionIgnition switch ON
Signal (Terminal)LIN (door motor) signal
ThresholdDrive error of air mix door motor LH is detected
Diagnosis delay time2 second or more
 
 
POSSIBLE CAUSE
  • Harness and connector (air mix door motor LH circuit is open or shorted to ground)
  • Air mix door motor LH installation condition
  • Air mix door motor LH
  • A/C amp.
 
 
FAIL-SAFE
—
 
 
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With M.U.T.-III SE
  1. Start the engine.
  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