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B1698 Toyota Code - Door Side Airbag Sensor Left Initialization Incomplete

Quick Answer

The Side Collision Sensor Left (LH) circuit is composed of the Center Airbag Sensor Assembly, Side Airbag Sensor Left, and Rear Airbag Sensor Left. Common causes include Faulty Side Airbag Sensor Left (LH), Side Airbag Sensor Left harness is open or shorted, Side Airbag Sensor Left 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
B1698 Toyota indicates Door Side Airbag Sensor Left Initialization Incomplete.
Common causes
Common causes include Faulty Side Airbag Sensor Left (LH), Side Airbag Sensor Left harness is open or shorted, Side Airbag Sensor Left 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.
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Code Popularity 20,623
How popular is this code, among other codes? Low
What is this?
Table of contents Created and updated by William Orellana on Oct 13, 2022
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Code B1698 Toyota Description

The Side Collision Sensor Left (LH) circuit is composed of the Center Airbag Sensor Assembly, Side Airbag Sensor Left, and Rear Airbag Sensor Left. The Side Airbag Sensor Left and Rear Airbag Sensor Left detect impacts to the vehicle and send signals to the Center Airbag Sensor Assembly to determine if the airbag should be deployed. The Diagnostic Trouble Code (DTC) is stored when a malfunction is detected for the Side Collision Left circuit (to determine deployment of the Front Seat Side Airbag Assembly Left and Curtain Shield Airbag Assembly Left).
OBDII Code B1698 Toyota - Door Side Airbag Sensor Left Initialization Incomplete - AutoCodes.com
B1698 Toyota Code - Door Side Airbag Sensor Left Initialization Incomplete
What does this mean?

What are the Possible Causes of the DTC B1698 Toyota?

  • Faulty Side Airbag Sensor Left (LH)
  • Side Airbag Sensor Left harness is open or shorted
  • Side Airbag Sensor Left circuit poor electrical connection
  • Faulty Rear Airbag Sensor Left (LH)
  • Faulty Center Airbag Sensor Assembly

How to Fix the DTC B1698 Toyota?

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 B1698 Toyota 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.

Need more information about the B1698 Toyota code?

Need more information on how to fix the B1698 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1698 Toyota code diagnosed by a professional: Find a repair shop in your area

Information for Specific Toyota Models

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 B1698 Toyota Code

1. What are the common symptoms of OBDII code B1698 for Door Side Airbag Sensor Left Initialization Incomplete in a Toyota?

The common symptoms include the airbag warning light being illuminated on the dashboard and possible issues with the left side airbag system.

2. What could cause the Door Side Airbag Sensor Left Initialization Incomplete code B1698 in a Toyota?

The code B1698 can be triggered by a faulty door side airbag sensor on the left side, wiring issues, or a malfunction in the airbag system initialization process.

3. How can I diagnose the cause of OBDII code B1698 related to the Door Side Airbag Sensor Left Initialization Incomplete in my Toyota?

A thorough inspection of the left side airbag sensor, wiring connections, and the airbag system initialization process using a diagnostic scan tool is recommended to pinpoint the issue.

4. Is it safe to drive my Toyota with the OBDII code B1698 for Door Side Airbag Sensor Left Initialization Incomplete?

It is not recommended to drive the vehicle with an active airbag system fault code, as it may compromise the functionality of the airbag system in the event of a collision.

5. Can I reset the OBDII code B1698 related to Door Side Airbag Sensor Left Initialization Incomplete in my Toyota?

Clearing the fault code using a diagnostic scan tool may temporarily reset the code, but it is crucial to address the underlying issue causing the fault code to prevent it from reoccurring.

6. How much does it typically cost to repair the OBDII code B1698 for Door Side Airbag Sensor Left Initialization Incomplete in a Toyota?

The cost of repairing the code B1698 can vary depending on the root cause of the issue, but it may involve replacing the faulty door side airbag sensor, repairing wiring issues, or reinitializing the airbag system.

7. Can I fix the OBDII code B1698 Door Side Airbag Sensor Left Initialization Incomplete in my Toyota myself?

While some DIY enthusiasts may attempt to address the issue, it is recommended to consult a professional technician with expertise in airbag systems to ensure proper diagnosis and repair.

8. Are there any safety precautions I should take when working on the airbag system related to the OBDII code B1698 in my Toyota?

It is crucial to disconnect the vehicle's battery and wait for the airbag system to fully discharge before attempting any repairs to avoid accidental airbag deployment.

9. How often does the OBDII code B1698 for Door Side Airbag Sensor Left Initialization Incomplete occur in Toyota vehicles?

The occurrence of the B1698 fault code can vary among Toyota models, but it is relatively uncommon compared to other airbag-related fault codes.

10. Is it necessary to visit a Toyota dealership for the repair of the OBDII code B1698 related to Door Side Airbag Sensor Left Initialization Incomplete?

While a Toyota dealership may have specialized knowledge and access to OEM parts, independent auto repair shops with expertise in airbag systems can also effectively diagnose and repair the issue.

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