B1787 Scion Code - Rear Occupant Classification Sensor Left Collision Detection
Quick Answer
The B1787 Scion code indicates a problem with the rear occupant classification sensor left collision detection system in the vehicle. Common causes include Sensor malfunction due to wear and tear, Electrical issues such as wiring damage or poor connections, Impact damage to the sensor from a collision. 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
- B1787 Scion indicates Rear Occupant Classification Sensor Left Collision Detection.
- Common causes
- Common causes include Sensor malfunction due to wear and tear, Electrical issues such as wiring damage or poor connections, Impact damage to the sensor from a collision.
- 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 B1787 Scion Description
The B1787 Scion code indicates a problem with the rear occupant classification sensor left collision detection system in the vehicle. This sensor is responsible for detecting the presence of a passenger in the rear seat and determining their weight to optimize the deployment of the airbag in the event of a collision. When this sensor fails or malfunctions, it can lead to inaccurate readings, potentially causing the airbag to deploy with improper force or not deploy at all, compromising the safety of the rear occupants.
Common Causes of B1787 Scion
- Sensor malfunction due to wear and tear.
- Electrical issues such as wiring damage or poor connections.
- Impact damage to the sensor from a collision.
- Faulty airbag control module.
- Software glitches in the vehicle's computer system.
Symptoms of B1787 Scion
- Airbag warning light is illuminated on the dashboard.
- Inconsistent or incorrect airbag deployment in a collision.
- Rear airbags not deploying in a crash.
- Passenger seat belt reminder malfunctioning.
- Inability to disable passenger airbag when necessary.
How to Fix B1787 Scion
- Begin by diagnosing the specific cause of the issue using a professional diagnostic tool.
- Inspect the rear occupant classification sensor for any physical damage or signs of wear.
- Check the wiring and connections associated with the sensor for any faults or loose connections.
- Replace the rear occupant classification sensor if it is determined to be faulty.
- Clear the diagnostic trouble codes and reset the airbag system to ensure proper functionality.
Cost to Fix B1787 Scion
The cost of repairing a rear occupant classification sensor left collision detection issue can vary depending on the specific cause of the problem and the labor rates in your area. On average, the parts for this repair can range from $200 to $500, with labor costs adding an additional $100 to $200. Keep in mind that these estimates are rough averages and actual costs may differ based on the vehicle make and model, as well as the location of the repair shop. It's recommended to obtain quotes from multiple repair facilities to ensure you are getting a fair price for the necessary repairs.
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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 B1787 Scion Code
1. What are the common symptoms of OBDII code B1787 in a Scion related to the Rear Occupant Classification Sensor Left Collision Detection?
The common symptoms include the airbag warning light being illuminated on the dashboard and possible issues with the airbag system's functionality.
2. What could be the potential causes of OBDII code B1787 in a Scion for the Rear Occupant Classification Sensor Left Collision Detection?
Potential causes may include a malfunctioning rear occupant classification sensor, wiring issues, or a faulty airbag control module.
3. How can I diagnose the problem associated with OBDII code B1787 in a Scion for the Rear Occupant Classification Sensor Left Collision Detection?
Diagnosing the issue requires using an OBDII scanner to retrieve the specific code, followed by inspecting the rear occupant classification sensor and related wiring for any visible damage or issues.
4. Are there any DIY repair tips for addressing OBDII code B1787 in a Scion for the Rear Occupant Classification Sensor Left Collision Detection?
DIY repair tips include checking and repairing any damaged wiring, ensuring proper sensor connections, and, if needed, replacing the rear occupant classification sensor or the airbag control module.
5. Is it safe to drive a Scion with OBDII code B1787 related to the Rear Occupant Classification Sensor Left Collision Detection?
It is not recommended to drive the vehicle when the airbag warning light is illuminated, as it indicates potential issues with the airbag system's functionality and safety.
6. How much does it typically cost to repair OBDII code B1787 in a Scion for the Rear Occupant Classification Sensor Left Collision Detection?
The cost of repair can vary depending on the specific issue, but it may range from a few hundred to a thousand dollars, including parts and labor.
7. Can resetting the OBDII system clear the B1787 code related to the Rear Occupant Classification Sensor Left Collision Detection in a Scion?
Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear after some time.
8. How important is it to fix OBDII code B1787 in a Scion for the Rear Occupant Classification Sensor Left Collision Detection?
It is crucial to address this issue promptly, as it involves the vehicle's airbag system, which plays a vital role in occupant safety during a collision.
9. Is it necessary to visit a dealership or automotive specialist to repair OBDII code B1787 in a Scion related to the Rear Occupant Classification Sensor Left Collision Detection?
While visiting a dealership or specialist is recommended for proper diagnosis and repair, knowledgeable DIY enthusiasts can address some aspects of the issue themselves.
10. Are there any recalls or technical service bulletins related to OBDII code B1787 in a Scion for the Rear Occupant Classification Sensor Left Collision Detection?
It is advisable to check with the manufacturer or authorized service centers for any recalls or technical service bulletins related to this specific OBDII code to ensure proper resolution.
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