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DTC Detection Logic

DTC Display contents of CONSULT DTC detecting condition Possible cause
B1022 OCCUPANT SENS C/U
[COMM FAIL]
  • Internal malfunction of Occupant Classification System control unit
  • Malfunction of circuit between Occupant Classification System control unit and Air bag diagnosis sensor unit
  • Malfunction of Air bag diagnosis sensor unit
  • Harness or connectors
  • Malfunction in Occupant Classification System control unit
  • Malfunction in air bag diagnosis sensor unit
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