B3702 Code - Intermittent Wiper Delay Input Circuit Low
Quick Answer
The B3702 diagnostic trouble code (DTC) refers to an intermittent wiper delay input circuit low. Common causes include Faulty wiper switch or control module, Corroded or damaged wiring in the wiper circuit, Malfunctioning wiper motor. 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
- B3702 indicates Intermittent Wiper Delay Input Circuit Low.
- Common causes
- Common causes include Faulty wiper switch or control module, Corroded or damaged wiring in the wiper circuit, Malfunctioning wiper motor.
- 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 B3702 Description
The B3702 diagnostic trouble code (DTC) refers to an intermittent wiper delay input circuit low. This means that there is a problem with the circuit that controls the intermittent wiper delay function in the vehicle. The intermittent wiper delay feature allows the wipers to pause between wipes, providing better visibility in light rain or misty conditions. When this circuit is malfunctioning, it can affect the timing and operation of the wipers, potentially leading to decreased visibility and safety hazards.
Common Causes of B3702
- Faulty wiper switch or control module
- Corroded or damaged wiring in the wiper circuit
- Malfunctioning wiper motor
- Poor electrical connections or grounds
- Water intrusion or moisture damage in the wiper system
Symptoms of B3702
- Wipers not pausing between wipes in intermittent mode
- Inconsistent or erratic wiper operation
- Wipers not responding to switch inputs
- Wipers operating at incorrect speeds
- Dashboard warning light related to wiper system
How to Fix B3702
- Use a multimeter to test the voltage levels in the intermittent wiper delay input circuit
- Inspect the wiper switch and control module for any signs of damage or malfunction
- Check the wiring harness for corrosion, breaks, or loose connections
- Test the wiper motor for proper functionality and replace if necessary
- Clear any water or moisture from the wiper system and ensure proper sealing
Cost to Fix B3702
The cost of repairing an intermittent wiper delay input circuit low issue can vary depending on the specific cause of the problem and the extent of the repair needed. In general, the cost can range from $100 to $300 for parts and labor. However, it's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's recommended to get a detailed estimate from a trusted mechanic before proceeding with the repair.
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Code B3702 Information for Specific Makes
- B3702 Buick — Intermittent Wiper Delay Input Circuit Low
- B3702 Cadillac — Intermittent Wiper Delay Input Circuit Low
- B3702 Chevrolet — Intermittent Wiper Delay Input Circuit Low
- B3702 GMC — Intermittent Wiper Delay Input Circuit Low
- B3702 Saturn — Intermittent Wiper Delay Input Circuit Low
Frequently Asked Questions about B3702 Code
1. What are the common symptoms of OBDII code B3702 (Intermittent Wiper Delay Input Circuit Low)?
- Common symptoms include erratic operation of the intermittent wipers, wipers not working at all, or the wipers operating at an incorrect speed.
2. What are the possible causes of OBDII code B3702?
- Possible causes may include a faulty wiper switch, damaged wiring or connectors in the wiper circuit, or a malfunctioning wiper control module.
3. How can I diagnose the cause of OBDII code B3702?
- Diagnosis typically involves inspecting the wiper switch, checking the wiring and connectors for damage, and testing the wiper control module with a multimeter.
4. Can a blown fuse cause OBDII code B3702 to appear?
- Yes, a blown fuse in the wiper circuit can potentially trigger code B3702, so it's important to check the fuses as part of the diagnostic process.
5. Is it safe to continue driving with OBDII code B3702 present?
- It is generally safe to drive with this code, but it's recommended to address the issue promptly to ensure proper wiper functionality, especially in inclement weather.
6. Are there any simple repairs I can try to fix OBDII code B3702 myself?
- You can try checking and replacing any blown fuses, cleaning the wiper switch contacts, or repairing any damaged wiring or connectors in the wiper circuit.
7. Do I need specialized tools to repair OBDII code B3702?
- Basic tools like a multimeter, wire strippers, and electrical tape are usually sufficient for diagnosing and repairing the causes of code B3702.
8. Will resetting the OBDII system clear code B3702?
- Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not fixed, the code is likely to reappear after driving the vehicle.
9. Can extreme weather conditions affect OBDII code B3702?
- Yes, extreme weather conditions like heavy rain or snow can exacerbate issues related to the wiper circuit and potentially trigger code B3702.
10. Should I seek professional help for repairing OBDII code B3702?
- If you are unsure about diagnosing or repairing the issue yourself, or if the problem persists after attempting DIY fixes, it's advisable to seek help from a professional mechanic or auto technician.
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