B1002 Nissan Code - Diagnosis Sensor Unit
Quick Answer
The Air Bag Diagnosis Sensor Unit detects the whole SRS electrical system and displays the malfunction either by illuminating or blinking the air bag warning lamp in the combination meter. Common causes include Faulty Diagnosis Sensor Unit, Diagnosis Sensor Unit harness is open or shorted, Diagnosis Sensor Unit 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
- B1002 Nissan indicates Diagnosis Sensor Unit.
- Common causes
- Common causes include Faulty Diagnosis Sensor Unit, Diagnosis Sensor Unit harness is open or shorted, Diagnosis Sensor Unit 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 B1002 Nissan Description
The Air Bag Diagnosis Sensor Unit contains the “G†sensors for both frontal and side collisions and spare battery function in case of main battery damaged in a collision.
What are the Possible Causes of the DTC B1002 Nissan?
- Faulty Diagnosis Sensor Unit
- Diagnosis Sensor Unit harness is open or shorted
- Diagnosis Sensor Unit circuit poor electrical connection
How to Fix the DTC B1002 Nissan?
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 B1002 Nissan 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 B1002 Nissan Code
1. What are the common symptoms of OBDII code B1002 in a Nissan related to the Diagnosis Sensor Unit?
The common symptoms include airbag warning light illuminated on the dashboard and possible issues with the airbag system.
2. What are the possible causes of OBDII code B1002 in a Nissan?
The code B1002 typically indicates a malfunction in the Diagnosis Sensor Unit, which could be caused by a faulty sensor, wiring issues, or a problem with the airbag control module.
3. How can I diagnose OBDII code B1002 in my Nissan?
Diagnosing code B1002 requires using an OBDII scanner to retrieve the specific fault codes, inspecting the Diagnosis Sensor Unit and associated wiring for any visible damage, and performing a thorough airbag system inspection.
4. Is it safe to drive my Nissan with OBDII code B1002 present?
It is not recommended to drive the vehicle with the airbag warning light on, as it indicates a potential issue with the airbag system's functionality. It is advisable to address the problem as soon as possible.
5. Can I reset OBDII code B1002 in my Nissan without fixing the underlying issue?
Resetting the code without addressing the root cause will likely result in the code reappearing. It is crucial to diagnose and fix the problem causing the B1002 code to ensure the airbag system's proper functioning.
6. How can I repair OBDII code B1002 in my Nissan?
Repairing code B1002 may involve replacing the faulty Diagnosis Sensor Unit, repairing damaged wiring, or addressing issues with the airbag control module. It is recommended to consult a professional mechanic for proper diagnosis and repair.
7. Are there any DIY tips for troubleshooting OBDII code B1002 in a Nissan?
While basic inspections like checking for loose connections or damaged wiring can be done DIY, it is best to consult a qualified technician for accurate diagnosis and repair of OBDII code B1002.
8. How much does it cost to fix OBDII code B1002 in a Nissan?
The cost of fixing code B1002 can vary depending on the specific issue causing the code, the required parts, and labor costs. It is advisable to obtain quotes from different mechanics or dealerships for an accurate estimate.
9. Can OBDII code B1002 in a Nissan cause the airbags not to deploy in an accident?
Code B1002 indicates a problem with the airbag system's Diagnosis Sensor Unit, which could potentially affect the airbags' deployment. It is crucial to address the issue promptly to ensure the airbags function correctly in case of an accident.
10. Will disconnecting the battery reset OBDII code B1002 in a Nissan?
Disconnecting the battery may reset the code temporarily, but it is likely to reappear if the underlying issue is not fixed. It is essential to diagnose and repair the problem causing the B1002 code for a long-term solution.
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