AutoCodes – Saturn – B3702 Saturn

B3702 Saturn Code - Intermittent Wiper Delay Input Circuit Low

Quick Answer

The intermittent switch in the windshield wiper washer switch is a voltage divider connected across the Body Control Module (BCM) inputs circuits windshield wiper switch signal circuit and windshield wiper switch low reference circuit. Common causes include Faulty Windshield Wiper Washer Switch, Windshield Wiper Washer Switch harness is open or shorted, Windshield Wiper Washer Switch 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
B3702 Saturn indicates Intermittent Wiper Delay Input Circuit Low.
Common causes
Common causes include Faulty Windshield Wiper Washer Switch, Windshield Wiper Washer Switch harness is open or shorted, Windshield Wiper Washer Switch 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 515
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 13, 2020
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Code B3702 Saturn Description

The intermittent switch in the windshield wiper washer switch is a voltage divider connected across the Body Control Module (BCM) inputs circuits windshield wiper switch signal circuit and windshield wiper switch low reference circuit. The front wiper relay is energized by the BCM switching the front wiper relay control circuit to ground. The Diagnostic Trouble Code (DTC) sets when the windshield wiper switch signal circuit is shorted to ground or less than 0.20 volt.
OBDII Code B3702 Saturn - Intermittent Wiper Delay Input Circuit Low - AutoCodes.com
B3702 Saturn Code - Intermittent Wiper Delay Input Circuit Low

What are the Possible Causes of the DTC B3702 Saturn?

  • Faulty Windshield Wiper Washer Switch
  • Windshield Wiper Washer Switch harness is open or shorted
  • Windshield Wiper Washer Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the DTC B3702 Saturn?

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 B3702 Saturn 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.

Need more information about the B3702 Saturn code?

Need more information on how to fix the B3702 Saturn code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B3702 Saturn code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B3702 Saturn Code

1. What are the common symptoms of OBDII code B3702 Saturn (Intermittent Wiper Delay Input Circuit Low)?

The common symptoms include malfunctioning intermittent wiper delay function, irregular wiper speed, and possible issues with the wiper controls.

2. What are the possible causes of OBDII code B3702 Saturn (Intermittent Wiper Delay Input Circuit Low)?

Potential causes include a faulty wiper delay switch, damaged wiring or connectors in the wiper circuit, or a malfunctioning wiper control module.

3. How can I diagnose the issue related to OBDII code B3702 Saturn (Intermittent Wiper Delay Input Circuit Low)?

Diagnosis usually involves checking the wiper delay switch, inspecting the wiring for any damages, and testing the wiper control module using a multimeter.

4. Can I still use my wipers if OBDII code B3702 Saturn (Intermittent Wiper Delay Input Circuit Low) is active?

Yes, you can still use your wipers, but the intermittent delay function may not work correctly until the underlying issue is resolved.

5. Is it safe to continue driving with OBDII code B3702 Saturn (Intermittent Wiper Delay Input Circuit Low)?

It is generally safe to drive with this code, but it is recommended to address the issue promptly to ensure proper wiper functionality, especially in adverse weather conditions.

6. How can I repair OBDII code B3702 Saturn (Intermittent Wiper Delay Input Circuit Low) myself?

Repair steps may include replacing the wiper delay switch, repairing damaged wiring, or replacing the wiper control module, depending on the specific cause of the issue.

7. Can a malfunctioning wiper motor cause OBDII code B3702 Saturn (Intermittent Wiper Delay Input Circuit Low)?

While a faulty wiper motor is not a common cause of this specific OBDII code, it can still affect the overall functionality of the wipers and should be checked if other components are in good condition.

8. Will resetting the OBDII system clear OBDII code B3702 Saturn (Intermittent Wiper Delay Input Circuit Low)?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not resolved, the code is likely to reappear after driving cycles.

9. Can extreme weather conditions trigger OBDII code B3702 Saturn (Intermittent Wiper Delay Input Circuit Low)?

Extreme weather conditions can exacerbate existing issues with the wiper system, potentially leading to the activation of this OBDII code.

10. How much does it typically cost to repair OBDII code B3702 Saturn (Intermittent Wiper Delay Input Circuit Low) at a professional auto repair shop?

The cost of repairing this code can vary depending on the specific cause of the issue, but it may range from $100 to $300, including parts and labor.

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