How to Fix B1398 Driver Power Window One Touch Window Relay Circuit Failure

Introduction

If you’re experiencing issues with your car’s power windows, specifically the B1398 Driver Power Window One Touch Window Relay Circuit Failure, you’re not alone. This problem can be frustrating, but fortunately, it’s not too difficult to fix. In this article, we’ll provide you with step-by-step instructions on how to diagnose and repair this issue.

What is B1398 Driver Power Window One Touch Window Relay Circuit Failure?

The B1398 code indicates that there is a problem with the driver’s side power window relay circuit. This can cause the power window to stop working or work intermittently. The relay circuit is responsible for controlling the power window motor, and if it fails, the window will not function properly.

Diagnosing the Problem

Before you can fix the issue, you need to diagnose the problem. Here are the steps to follow:

Step 1: Check the Fuse

The first thing you should do is check the fuse for the power window circuit. If the fuse is blown, it will need to be replaced. You can find the location of the fuse in your car’s owner’s manual.

Step 2: Check the Window Switch

If the fuse is not the problem, the next step is to check the window switch. Use a multimeter to test the switch for continuity. If the switch is faulty, it will need to be replaced.

Step 3: Check the Window Motor

If the switch is not the problem, the next step is to check the window motor. Use a multimeter to test the motor for continuity. If the motor is faulty, it will need to be replaced.

Step 4: Check the Wiring

If the motor is not the problem, the next step is to check the wiring. Use a multimeter to test the wiring for continuity. If there is a break in the wiring, it will need to be repaired.

Fixing the Problem

Once you have diagnosed the problem, you can begin to fix it. Here are the steps to follow:

Step 1: Replace the Fuse

If the fuse is blown, replace it with a new one.

Step 2: Replace the Window Switch

If the switch is faulty, replace it with a new one.

Step 3: Replace the Window Motor

If the motor is faulty, replace it with a new one.

Step 4: Repair the Wiring

If there is a break in the wiring, repair it using electrical tape or by splicing in a new section of wire.

Conclusion

Fixing the B1398 Driver Power Window One Touch Window Relay Circuit Failure is not too difficult if you follow the steps outlined in this article. By diagnosing the problem and following the appropriate steps to fix it, you can get your power window working properly again.

FAQs

1. Can I fix the B1398 code myself?

Yes, you can fix the B1398 code yourself by following the steps outlined in this article.

2. How long does it take to fix the B1398 code?

The time it takes to fix the B1398 code will depend on the specific problem and your level of experience. It could take anywhere from a few minutes to a few hours.

3. Do I need any special tools to fix the B1398 code?

You will need a multimeter to diagnose the problem, but other than that, you should be able to fix the issue with basic tools.