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DTC Detection Logic

WARNING: This page is about a different car, the 2011 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC

DTC Display contents of CONSULT-III DTC detecting condition Possible cause
B1018 OCCUPANT SENS [UNIT FAIL] Occupant Classification System sensor is malfunctioning
  • Disconnection of wiring harness
  • Malfunction in Occupant Classification System sensor
  • Malfunction in Occupant Classification System control unit
  • Malfunction in air bag diagnosis sensor unit
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