B1805 Scion Code - Short In Front Passenger Side Squib Circuit
Quick Answer
The Front Passenger Side Squib Circuit consists of the Center Airbag Sensor Assembly and the Front Passenger Airbag Assembly. Common causes include Instrument panel wire, Faulty Front Passenger Airbag Assembly (Front Passenger Side Squib), Front Passenger Airbag Assembly harness is open or shorted. 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
- B1805 Scion indicates Short In Front Passenger Side Squib Circuit.
- Common causes
- Common causes include Instrument panel wire, Faulty Front Passenger Airbag Assembly (Front Passenger Side Squib), Front Passenger Airbag Assembly harness is open or shorted.
- 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 B1805 Scion Description
What are the Possible Causes of the DTC B1805 Scion?
- Instrument panel wire
- Faulty Front Passenger Airbag Assembly (Front Passenger Side Squib)
- Front Passenger Airbag Assembly harness is open or shorted
- Front Passenger Airbag Assembly circuit poor electrical connection
- Faulty Center Airbag Sensor Assembly
How to Fix the DTC B1805 Scion?
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 B1805 Scion 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 B1805 Scion Code
1. What does the OBDII code B1805 mean in a Scion?
B1805 indicates a short circuit in the front passenger side squib circuit, which is part of the airbag system.
2. What are the symptoms of a B1805 code in a Scion?
The main symptoms include the airbag warning light illuminating on the dashboard and potential deactivation of the passenger airbag.
3. What causes the B1805 code to trigger?
Common causes include damaged wiring, a defective passenger airbag, a faulty clock spring, or a short to ground or power in the squib circuit.
4. Can I still drive my Scion with the B1805 code?
While the vehicle may still be drivable, the passenger airbag system may not function properly, posing a safety risk in the event of an accident.
5. How do I diagnose the B1805 code in a Scion?
Diagnosis involves checking for damaged wiring, inspecting the airbag connectors, and using a multimeter to test for continuity or shorts in the squib circuit.
6. What repairs are needed to fix the B1805 code?
Repairs may include replacing damaged wiring, repairing or replacing connectors, or replacing the passenger airbag or clock spring if they are faulty.
7. Is the B1805 code specific to Scion vehicles?
While the code may appear in other Toyota vehicles, the description and exact repair procedures can vary depending on the model.
8. Can I reset the B1805 code without fixing the issue?
Resetting the code without addressing the root cause will likely result in the code returning and the airbag system remaining compromised.
9. How much does it cost to repair a B1805 code in a Scion?
Repair costs vary depending on the exact issue, but they can range from $100 for minor wiring repairs to several hundred dollars for airbag or clock spring replacement.
10. Can a faulty clock spring cause the B1805 code in a Scion?
Yes, a faulty clock spring can disrupt the squib circuit connection, leading to the B1805 code being triggered.
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