Engine-Codes - Nissan - B1018 Nissan

B1018 Nissan Code - Occupant Sensor

- Code Popularity: 34,284 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

What are the Possible Causes of the Code B1018 Nissan?

  • Faulty Occupant Sensor
  • Occupant Sensor harness is open or shorted
  • Occupant Sensor circuit poor electrical connection

How to Fix the B1018 Nissan Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the Cost to Diagnose the Code B1018 Nissan?

Labor: 1.0

The cost to diagnose the B1018 Nissan code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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What are Code B1018 Nissan Possible Symptoms?

  • Air Bag Warning Light ON

What Does the B1018 Nissan Code Mean?

The Occupant Sensor suppresses the deployment of passenger air bag when the condition of the passenger seat is empty or child and child-seat. And turns on the cut-off telltale lamp when the condition of the passenger seat is child-seat and child. In the case of malfunction, the blinking of the SRS air bag warning lamp reports the malfunction to the driver and by the on board self-diagnosis system.
The Occupant Sensor unit classifies occupant in the passenger seat and transmits it to Occupant Classification System (OCS) control unit.
Plural Occupant Sensors are installed in the sensor mat to prevent incorrect sensing induced by the sitting position.

B1018 Nissan Code - Occupant Sensor

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Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

  • Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
  • Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
  • Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
  • Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.
Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.