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Engine-Codes – Infiniti – B1194 Infiniti

B1194 Infiniti Code - Right Side Front Curtain Air Bag Module Voltage Short

Quick Answer

The B1194 code for Infiniti vehicles indicates a voltage short in the right side front curtain airbag module. Common causes include Wiring or connector damage in the right side front curtain airbag module, Short circuit in the airbag system wiring, Faulty airbag control module. 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
B1194 Infiniti indicates Right Side Front Curtain Air Bag Module Voltage Short.
Common causes
Common causes include Wiring or connector damage in the right side front curtain airbag module, Short circuit in the airbag system wiring, Faulty airbag control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 29, 2024
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Code B1194 Infiniti Description

The B1194 code for Infiniti vehicles indicates a voltage short in the right side front curtain airbag module. This means that there is an electrical issue in the airbag system on the right side of the vehicle, specifically in the front curtain airbag module. The front curtain airbag is a safety feature designed to deploy in the event of a side impact or rollover to protect the occupants from injury. A voltage short in this module can prevent the airbag from deploying properly or at all, compromising the safety of the vehicle's occupants.

OBDII Code B1194 Infiniti - Right Side Front Curtain Air Bag Module Voltage Short
B1194 Infiniti Code - Right Side Front Curtain Air Bag Module Voltage Short

Common Causes of B1194 Infiniti

  1. Wiring or connector damage in the right side front curtain airbag module.
  2. Short circuit in the airbag system wiring.
  3. Faulty airbag control module.
  4. Issues with the vehicle's electrical system.
  5. Water damage or corrosion affecting the airbag components.

Symptoms of B1194 Infiniti

  1. Airbag warning light illuminated on the dashboard.
  2. Inability of the right side front curtain airbag to deploy in a collision.
  3. Fault codes related to the airbag system stored in the vehicle's computer.
  4. Intermittent or erratic behavior of the airbag system.

How to Fix B1194 Infiniti

  1. Begin by disconnecting the vehicle's battery to prevent any electrical mishaps.
  2. Inspect the wiring and connectors in the right side front curtain airbag module for any damage or corrosion.
  3. Test the voltage levels in the module using a multimeter to identify the source of the short.
  4. Repair or replace any damaged wiring or connectors in the airbag system.
  5. Clear the fault codes from the vehicle's computer and reset the airbag system.

Cost to Fix B1194 Infiniti

The typical repair costs for addressing a voltage short in the right side front curtain airbag module can range from $200 to $500, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to check local rates for a more precise estimate.

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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.

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1194 Infiniti Code

1. What does OBDII code B1194 mean on an Infiniti?

Code B1194 indicates a voltage short issue in the right side front curtain airbag module circuit.

2. What are the common symptoms of code B1194 in an Infiniti?

Typical symptoms include the airbag warning light staying on, the airbag system being disabled, and no deployment of the right side front curtain airbag in a collision.

3. What causes code B1194 on an Infiniti?

Common causes include damaged wiring or connectors, a short circuit in the airbag module, or a faulty right side front curtain airbag module.

4. Can you drive an Infiniti with code B1194 active?

While the vehicle can still be driven, it's unsafe as the airbag system may not function properly in the event of an accident.

5. How is code B1194 diagnosed in an Infiniti?

A technician will use a scan tool to confirm the code, inspect the wiring and connectors for damage, and test the airbag module for proper function.

6. How can I fix the B1194 code on my Infiniti?

Repairs may involve replacing damaged wiring, repairing or replacing connectors, or installing a new right side front curtain airbag module.

7. Is code B1194 covered under warranty for Infinitis?

It depends on the vehicle's age and warranty terms; check with your Infiniti dealer for coverage details.

8. How much does it cost to repair code B1194 on an Infiniti?

Repair costs can range from $100 to $1,000 or more, depending on whether wiring repairs or airbag module replacement is needed.

9. Can clearing the B1194 code fix the issue?

Clearing the code without addressing the underlying problem will not fix the issue, and the code will likely return.

10. What tools are needed to troubleshoot code B1194 in an Infiniti?

A diagnostic scan tool, a multimeter for testing voltage, and wiring diagrams specific to the vehicle are essential for troubleshooting this code.

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