B2007 Lexus Code - Open In Seat Belt Motor Left Circuit
Quick Answer
The Seat Belt Control ECU receives information from the master cylinder solenoid (Skid Control ECU) via the Controlled Are Network (CAN) communication line and tightens the seat belt by operating the motor in the Front Seat Outer Belt Assembly Right (RH) or Left (LH). Common causes include Faulty Front Seat Outer Belt Assembly Left (LH), Front Seat Outer Belt Assembly Left (LH) harness is open or shorted, Front Seat Outer Belt Assembly Left (LH) 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
- B2007 Lexus indicates Open In Seat Belt Motor Left Circuit.
- Common causes
- Common causes include Faulty Front Seat Outer Belt Assembly Left (LH), Front Seat Outer Belt Assembly Left (LH) harness is open or shorted, Front Seat Outer Belt Assembly Left (LH) 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 B2007 Lexus Description
What are the Possible Causes of the DTC B2007 Lexus?
- Faulty Front Seat Outer Belt Assembly Left (LH)
- Front Seat Outer Belt Assembly Left (LH) harness is open or shorted
- Front Seat Outer Belt Assembly Left (LH) circuit poor electrical connection
- Faulty Seat Belt Control ECU
How to Fix the DTC B2007 Lexus?
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 B2007 Lexus 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 B2007 Lexus Code
1. What are the common symptoms of OBDII code B2007 in a Lexus related to an open in the seat belt motor left circuit?
The common symptoms include the seat belt warning light staying illuminated, seat belt motor failure, and issues with the seat belt not retracting properly.
2. What are the possible causes of OBDII code B2007 in a Lexus indicating an open in the seat belt motor left circuit?
Potential causes include damaged wiring or connectors in the seat belt motor left circuit, a faulty seat belt motor, or a problem with the seat belt retractor mechanism.
3. How can I diagnose the issue related to OBDII code B2007 in a Lexus for an open in the seat belt motor left circuit?
You can use a multimeter to test the continuity of the wiring in the seat belt motor left circuit, inspect the connectors for any damage, and check the seat belt motor for proper functionality.
4. Can I repair the open in the seat belt motor left circuit issue related to OBDII code B2007 in a Lexus myself?
If you have experience with automotive electrical systems and proper tools, you may be able to repair the issue yourself by fixing any damaged wiring or connectors, or replacing the faulty seat belt motor.
5. Is it safe to drive my Lexus with OBDII code B2007 indicating an open in the seat belt motor left circuit?
It is not recommended to drive the vehicle with this issue as it may compromise the effectiveness of the seat belt system in protecting you in the event of a collision.
6. How much does it typically cost to repair OBDII code B2007 in a Lexus related to an open in the seat belt motor left circuit?
The cost of repair can vary depending on the extent of the damage and whether you choose to do the repairs yourself or take the vehicle to a professional mechanic. It could range from a few hundred to over a thousand dollars.
7. Can resetting the OBDII system clear the B2007 code for an open in the seat belt motor left circuit in a Lexus?
Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the open in the seat belt motor left circuit is not addressed, the code is likely to reappear.
8. Will OBDII code B2007 in a Lexus cause the airbag system to malfunction?
While the B2007 code specifically relates to an open in the seat belt motor left circuit, it can potentially affect the overall airbag system functionality if left unresolved.
9. Are there any safety precautions I should take when working on the seat belt motor left circuit to address OBDII code B2007 in a Lexus?
It is essential to disconnect the vehicle's battery before working on any electrical components to prevent accidental deployment of the airbags or other safety systems.
10. How can I prevent OBDII code B2007 from occurring in the future in my Lexus due to an open in the seat belt motor left circuit?
Regularly inspecting the seat belt system for any signs of wear or damage, promptly addressing any issues with the seat belt motor, and ensuring proper maintenance can help prevent the recurrence of this code.
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