B1111 Infiniti 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
- B1111 Infiniti 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 B1111 Infiniti 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 B1111 Infiniti?
- Faulty Diagnosis Sensor Unit
- Diagnosis Sensor Unit harness is open or shorted
- Diagnosis Sensor Unit circuit poor electrical connection
How to Fix the DTC B1111 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 B1111 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 B1111 Infiniti Code
1. What are common symptoms of OBDII code B1111 in an Infiniti related to the Diagnosis Sensor Unit?
- Common symptoms include issues with the vehicle's diagnostic system, such as difficulty communicating with the sensor unit or inaccurate sensor readings.
2. What are the possible causes of OBDII code B1111 in an Infiniti?
- The code B1111 in an Infiniti is often caused by a malfunction in the Diagnosis Sensor Unit itself, wiring issues, or a faulty connection.
3. How can I diagnose OBDII code B1111 in my Infiniti?
- Diagnosing OBDII code B1111 in an Infiniti typically involves using an OBDII scanner to retrieve the specific error code, checking the wiring and connections related to the Diagnosis Sensor Unit, and testing the sensor unit itself for proper functionality.
4. Can I drive my Infiniti with OBDII code B1111?
- It is not recommended to drive your Infiniti with OBDII code B1111, as the issue may affect the vehicle's performance and result in inaccurate diagnostic readings.
5. How can I repair OBDII code B1111 in my Infiniti related to the Diagnosis Sensor Unit?
- Repairing OBDII code B1111 in an Infiniti may involve replacing the Diagnosis Sensor Unit, repairing any damaged wiring or connections, or resetting the diagnostic system to clear the error code.
6. Are there any DIY tips for troubleshooting OBDII code B1111 in an Infiniti?
- DIY tips for troubleshooting OBDII code B1111 in an Infiniti include checking the sensor unit's connections, ensuring proper power supply, and inspecting for any visible signs of damage.
7. How much does it cost to fix OBDII code B1111 in an Infiniti at a repair shop?
- The cost to fix OBDII code B1111 in an Infiniti at a repair shop can vary depending on the specific issue, but it may range from a few hundred to a few thousand dollars.
8. Is OBDII code B1111 in an Infiniti a serious issue?
- OBDII code B1111 in an Infiniti should be addressed promptly to ensure the vehicle's diagnostic system functions correctly and to prevent potential performance issues.
9. Can OBDII code B1111 in an Infiniti trigger the check engine light?
- Yes, OBDII code B1111 in an Infiniti can trigger the check engine light, indicating a problem with the vehicle's diagnostic system that needs attention.
10. Can resetting the OBDII system clear code B1111 in an Infiniti?
- Resetting the OBDII system may temporarily clear code B1111 in an Infiniti, but if the underlying issue is not addressed, the code is likely to reappear.
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