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DTC Detection Logic

DTC DETECTING CONDITION AND POSSIBLE CAUSE

DTC Display contents of CONSULT-III DTC detecting condition Possible cause
B1017
B1020
B1021		 OCCUPANT SENS C/U [UNIT FAIL] Occupant Classification System control unit is malfunctioning
  • Harness or connectors
  • Malfunction in Occupant Classification System control unit
  • Malfunction in air bag diagnosis sensor unit
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