B1018 Infiniti Code - Occupant Sensor
Quick Answer
The Occupant Sensor suppresses the deployment of passenger air bag when the condition of the passenger seat is empty or child and child-seat. Common causes include Faulty Occupant Sensor, Occupant Sensor harness is open or shorted, Occupant Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B1018 Infiniti indicates Occupant Sensor.
- Common causes
- Common causes include Faulty Occupant Sensor, Occupant Sensor harness is open or shorted, Occupant Sensor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code B1018 Infiniti Description
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.
What are the Possible Causes of the DTC B1018 Infiniti?
- Faulty Occupant Sensor
- Occupant Sensor harness is open or shorted
- Occupant Sensor circuit poor electrical connection
How to Fix the DTC B1018 Infiniti?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1018 Infiniti code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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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.
Frequently Asked Questions about B1018 Infiniti Code
1. What is OBDII code B1018 in an Infiniti related to the Occupant Sensor?
The OBDII code B1018 in an Infiniti specifically relates to the Occupant Sensor in the vehicle's restraint system.
2. What are common symptoms of a B1018 Infiniti code?
Common symptoms of a B1018 code may include issues with the airbag system, warning lights on the dashboard, and potential problems with the Occupant Sensor.
3. What can cause the B1018 code to trigger in an Infiniti?
The B1018 code in an Infiniti is typically triggered by a malfunction or fault in the Occupant Sensor, which may be caused by wiring issues, sensor damage, or a faulty sensor module.
4. How serious is a B1018 code in an Infiniti?
A B1018 code should be taken seriously as it relates to the vehicle's restraint system and airbag deployment. It is recommended to address this issue promptly to ensure the safety features are functioning correctly.
5. Can I continue driving my Infiniti with a B1018 code?
It is not advisable to continue driving your Infiniti with a B1018 code present, as it may compromise the effectiveness of the airbag system in the event of a collision.
6. How can I diagnose a B1018 code in my Infiniti?
Diagnosing a B1018 code typically involves using a diagnostic scanner to retrieve the specific fault code, followed by inspecting the Occupant Sensor and related wiring for any visible damage.
7. What are some repair tips for fixing a B1018 code in an Infiniti?
Repairing a B1018 code may involve repairing or replacing damaged wiring, replacing the Occupant Sensor, or addressing any faults in the sensor module to resolve the issue.
8. Can a DIY enthusiast fix a B1018 code in an Infiniti?
While some aspects of diagnosing and repairing a B1018 code may be tackled by a DIY enthusiast, it is recommended to seek professional help for accurate diagnosis and repair to ensure the safety systems are functioning correctly.
9. How much does it cost to fix a B1018 code in an Infiniti?
The cost of fixing a B1018 code in an Infiniti can vary depending on the extent of the issue, parts required, and labor costs. It is advisable to obtain quotes from reputable mechanics or dealerships for an accurate estimate.
10. Are there any recalls or technical service bulletins related to the B1018 code in Infiniti vehicles?
It is recommended to check with the manufacturer or authorized service centers for any recalls or technical service bulletins related to the B1018 code in Infiniti vehicles, as they may provide valuable information or assistance in addressing this issue.
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