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DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen items
(Trouble diagnosis content)
DTC Detection Condition
B0021-55CURTAIN A/B MODULE LH
(Left Curtain Deployment Control 1)
Diagnosis conditionWhen ignition switch is ON.
Signal (terminal)Curtain air bag module LH signal
ThresholdWhen a mismatch is detected between in the configuration data stored in the air bag diagnosis sensor unit and vehicle specification.
Diagnosis delay time2 seconds or more.
 
 
POSSIBLE CAUSE
  • Connection malfunction of harness and connector
  • Mistake of configuration for air bag diagnosis sensor unit
  • Internal malfunction of air bag diagnosis sensor unit
 
 
FAIL-SAFE
—
 
 
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With M.U.T.-III SE
  1. Ignition switch ON.
  2. Perform “Self Diagnostic Result” mode of “AIR BAG” using M.U.T.-III SE.
Is malfunctioning part detected?
Refer to Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END