How to Diagnose and Solve B1839 Wiper Rear Motor Circuit Failure Issues
Introduction
As a car owner, you may have experienced issues with your wiper rear motor circuit. One of the most common issues is the B1839 wiper rear motor circuit failure. This issue can be frustrating, especially during rainy seasons. However, with the right knowledge and tools, you can diagnose and solve this problem on your own. In this article, we will guide you through the process of diagnosing and solving B1839 wiper rear motor circuit failure issues.
What is B1839 Wiper Rear Motor Circuit Failure?
B1839 is a diagnostic trouble code (DTC) that indicates a problem with the wiper rear motor circuit. This code is usually triggered when there is a malfunction in the wiper rear motor circuit, which can cause the wiper to stop working or work intermittently. The wiper rear motor circuit is responsible for controlling the rear wiper motor, which is used to clean the rear windshield.
Diagnosing B1839 Wiper Rear Motor Circuit Failure
To diagnose B1839 wiper rear motor circuit failure, you will need a scan tool that can read DTCs. Here are the steps to follow:
Step 1: Connect the Scan Tool
Connect the scan tool to the OBD-II port of your car. The OBD-II port is usually located under the dashboard on the driver’s side.
Step 2: Read the DTCs
Read the DTCs using the scan tool. Look for the B1839 code, which indicates a problem with the wiper rear motor circuit.
Step 3: Inspect the Wiper Rear Motor Circuit
Inspect the wiper rear motor circuit for any signs of damage or wear. Check the wiring, connectors, and fuses for any signs of corrosion, damage, or loose connections.
Step 4: Test the Wiper Rear Motor
Test the wiper rear motor using a multimeter. Check the voltage and resistance of the motor to ensure that it is functioning properly.
Step 5: Replace the Wiper Rear Motor Circuit
If the wiper rear motor circuit is damaged or worn, replace it with a new one. Make sure to use the correct replacement part for your car.
Solving B1839 Wiper Rear Motor Circuit Failure
Once you have diagnosed the problem, you can now solve the B1839 wiper rear motor circuit failure issue. Here are the steps to follow:
Step 1: Replace the Wiper Rear Motor Circuit
If the wiper rear motor circuit is damaged or worn, replace it with a new one. Make sure to use the correct replacement part for your car.
Step 2: Test the Wiper Rear Motor
Test the wiper rear motor to ensure that it is functioning properly. Check the voltage and resistance of the motor using a multimeter.
Step 3: Check the Wiper Rear Motor Fuse
Check the wiper rear motor fuse for any signs of damage or wear. Replace the fuse if necessary.
Step 4: Inspect the Wiper Rear Motor Wiring
Inspect the wiper rear motor wiring for any signs of damage or wear. Check the wiring, connectors, and fuses for any signs of corrosion, damage, or loose connections.
Conclusion
B1839 wiper rear motor circuit failure can be a frustrating issue for car owners. However, with the right knowledge and tools, you can diagnose and solve this problem on your own. By following the steps outlined in this article, you can diagnose and solve B1839 wiper rear motor circuit failure issues and get your wiper working properly again.
FAQs
1. Can I drive my car with a B1839 wiper rear motor circuit failure?
It is not recommended to drive your car with a B1839 wiper rear motor circuit failure. This issue can cause the wiper to stop working or work intermittently, which can be dangerous during rainy seasons.
2. How much does it cost to replace the wiper rear motor circuit?
The cost of replacing the wiper rear motor circuit varies depending on the make and model of your car. However, on average, it can cost between $100 and $300.
3. Can I replace the wiper rear motor circuit on my own?
Yes, you can replace the wiper rear motor circuit on your own if you have the right knowledge and tools. However, if you are not confident in your abilities, it is recommended to seek the help of a professional mechanic.
