How to Diagnose and Solve B1535 Memory 2 Switch Circuit Failure Issues

Introduction

If you own a car, you know how frustrating it can be when the check engine light comes on. One of the most common issues that can trigger this warning is a B1535 Memory 2 Switch Circuit Failure. This problem can be caused by a variety of factors, including a faulty switch or a damaged circuit. In this article, we will guide you through the process of diagnosing and solving this issue.

Step 1: Check the Switch

The first step in diagnosing a B1535 Memory 2 Switch Circuit Failure is to check the switch itself. This switch is typically located on the driver’s side door panel, and it is responsible for controlling the power windows and locks. To check the switch, you will need a multimeter. Set the multimeter to the resistance setting and touch the probes to the switch’s terminals. If the switch is functioning correctly, the multimeter should read zero resistance when the switch is pressed and infinite resistance when it is released.

Step 2: Check the Circuit

If the switch is functioning correctly, the next step is to check the circuit. This can be done using a wiring diagram and a multimeter. Start by disconnecting the switch from the circuit and testing the resistance between the switch’s terminals. If the multimeter reads infinite resistance, the circuit is open, and you will need to locate and repair the break in the circuit. If the multimeter reads zero resistance, the circuit is shorted, and you will need to locate and repair the short.

Step 3: Check the Fuse

If the switch and circuit are both functioning correctly, the next step is to check the fuse. The B1535 Memory 2 Switch Circuit Failure is often caused by a blown fuse. Locate the fuse box in your car and check the fuse that controls the power windows and locks. If the fuse is blown, replace it with a new one of the same amperage.

Step 4: Check the Wiring Harness

If the switch, circuit, and fuse are all functioning correctly, the next step is to check the wiring harness. This harness connects the switch to the rest of the car’s electrical system, and it can become damaged or corroded over time. Inspect the wiring harness for any signs of damage or corrosion, and repair or replace any damaged sections.

Step 5: Check the Body Control Module

If all of the above steps fail to solve the B1535 Memory 2 Switch Circuit Failure issue, the problem may be with the body control module. This module is responsible for controlling many of the car’s electrical systems, including the power windows and locks. If the module is malfunctioning, it may need to be replaced.

Conclusion

Diagnosing and solving a B1535 Memory 2 Switch Circuit Failure issue can be a frustrating process, but by following the steps outlined in this article, you can quickly and easily identify and fix the problem. Remember to always use caution when working with electrical systems, and if you are unsure about any aspect of the repair process, consult a professional mechanic.

FAQs

1. Can a B1535 Memory 2 Switch Circuit Failure issue cause other problems with my car?

Yes, a B1535 Memory 2 Switch Circuit Failure issue can cause other problems with your car, including issues with the power windows and locks.

2. Can I fix a B1535 Memory 2 Switch Circuit Failure issue myself?

Yes, you can fix a B1535 Memory 2 Switch Circuit Failure issue yourself if you have the necessary tools and knowledge. However, if you are unsure about any aspect of the repair process, it is always best to consult a professional mechanic.

3. How can I prevent a B1535 Memory 2 Switch Circuit Failure issue from occurring?

To prevent a B1535 Memory 2 Switch Circuit Failure issue from occurring, it is important to regularly inspect and maintain your car’s electrical system. This includes checking the wiring harness for damage or corrosion and replacing any worn or damaged components.