B1690 Lexus Code - Door Side Airbag Sensor Right Malfunction
Quick Answer
The B1690 diagnostic trouble code for Lexus vehicles indicates a malfunction in the door side airbag sensor located on the right side of the vehicle. Common causes include Damage to the door side airbag sensor, Faulty wiring connections, Corrosion or water damage affecting the sensor. 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
- B1690 Lexus indicates Door Side Airbag Sensor Right Malfunction.
- Common causes
- Common causes include Damage to the door side airbag sensor, Faulty wiring connections, Corrosion or water damage affecting the sensor.
- 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 B1690 Lexus Description
The B1690 diagnostic trouble code for Lexus vehicles indicates a malfunction in the door side airbag sensor located on the right side of the vehicle. This sensor is responsible for detecting impacts or collisions on the right side of the vehicle and triggering the deployment of the side airbag to protect the occupants in the event of a crash. When this sensor malfunctions, it can compromise the effectiveness of the side airbag system, potentially putting passengers at risk in the event of a side impact collision.
Common Causes of B1690 Lexus
- Damage to the door side airbag sensor
- Faulty wiring connections
- Corrosion or water damage affecting the sensor
- Malfunctioning airbag control module
- Impact or collision that damaged the sensor
Symptoms of B1690 Lexus
- Airbag warning light illuminated on the dashboard
- Inability to turn off the airbag warning light
- Side airbag system failure message displayed on the instrument cluster
- Side airbag not deploying during a collision
How to Fix B1690 Lexus
- Begin by diagnosing the specific cause of the malfunction using a diagnostic scanner to retrieve the trouble codes and pinpoint the issue.
- Inspect the door side airbag sensor and wiring connections for any visible damage or corrosion. Replace any damaged components.
- Test the sensor and wiring connections to ensure proper functionality.
- Reset the airbag system and clear the trouble codes using the diagnostic scanner.
- Perform a test drive to verify that the issue has been resolved and the airbag warning light is no longer illuminated.
Cost to Fix B1690 Lexus
The cost of repairing a door side airbag sensor right malfunction on a Lexus vehicle can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair cost can range from $200 to $500, including parts and labor. However, it's important to note that prices may differ based on the location, vehicle model, and the extent of the repair needed. It's recommended to consult with a trusted auto repair shop to get an accurate estimate for your specific situation.
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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 B1690 Lexus Code
1. What are the common symptoms of OBDII code B1690 in a Lexus related to the Door Side Airbag Sensor Right Malfunction?
- Common symptoms include the airbag warning light illuminating on the dashboard, potential loss of function of the right side door airbag, and a diagnostic trouble code B1690 being stored in the vehicle's computer system.
2. What are the possible causes of the Door Side Airbag Sensor Right Malfunction in a Lexus triggering OBDII code B1690?
- The malfunction may be caused by a faulty door side airbag sensor on the right side, damaged wiring or connectors in the airbag system, or issues with the airbag control module.
3. How can I diagnose the Door Side Airbag Sensor Right Malfunction in my Lexus triggering code B1690?
- Diagnosis involves using an OBDII scanner to retrieve the specific trouble code B1690, visually inspecting the airbag sensor and related wiring for damage, and performing any necessary continuity or resistance tests.
4. Can I continue driving my Lexus with the OBDII code B1690 related to the Door Side Airbag Sensor Right Malfunction?
- It is not recommended to drive the vehicle with a malfunctioning airbag sensor as it may affect the proper deployment of the airbag in case of an accident, potentially compromising safety.
5. How can I repair the Door Side Airbag Sensor Right Malfunction in my Lexus to clear OBDII code B1690?
- Repair may involve replacing the faulty door side airbag sensor, repairing damaged wiring or connectors, or addressing any issues with the airbag control module. It is advisable to have the repairs done by a qualified technician.
6. Is it possible to reset the OBDII code B1690 related to the Door Side Airbag Sensor Right Malfunction without fixing the issue?
- While clearing the code with an OBDII scanner may temporarily turn off the warning light, the underlying issue with the airbag sensor will persist, potentially compromising the safety features of the vehicle.
7. How much does it typically cost to repair the Door Side Airbag Sensor Right Malfunction triggering code B1690 in a Lexus?
- The cost of repair can vary depending on the specific cause of the malfunction, the parts needed for replacement, and labor charges. It is advisable to get a few quotes from reputable repair shops.
8. Can a DIY enthusiast with some automotive knowledge fix the OBDII code B1690 related to the Door Side Airbag Sensor Right Malfunction?
- While some basic troubleshooting like checking for loose connections or damaged wiring may be possible, working on the airbag system requires specialized knowledge and tools. It is recommended to consult a professional technician.
9. Are there any recalls or service bulletins related to the OBDII code B1690 in Lexus vehicles for the Door Side Airbag Sensor Right Malfunction?
- It is advisable to check with a Lexus dealership or visit the manufacturer's website to see if there are any recalls or service bulletins related to the specific issue of the Door Side Airbag Sensor Right Malfunction triggering code B1690.
10. What safety precautions should be taken when dealing with the Door Side Airbag Sensor Right Malfunction in a Lexus to avoid accidental airbag deployment?
- Before attempting any repairs related to the airbag system, it is crucial to disconnect the vehicle's battery and wait for at least 10-15 minutes to discharge any stored energy in the system. This helps prevent accidental airbag deployment, which can be dangerous.
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