How to Diagnose and Solve B1612 Wiper Rear Mode Select Switch Circuit Open Issues

Introduction

If you’re experiencing issues with your wiper rear mode select switch circuit, you may have a B1612 error code. This can be frustrating, but don’t worry – with a little bit of knowledge and some troubleshooting, you can diagnose and solve the problem yourself. In this article, we’ll walk you through the steps to diagnose and solve B1612 wiper rear mode select switch circuit open issues.

What is B1612?

B1612 is an error code that indicates a problem with the wiper rear mode select switch circuit. This circuit is responsible for controlling the rear wiper on your vehicle. When this circuit is open, the rear wiper will not function properly.

Diagnosing the Problem

The first step in diagnosing the problem is to check the fuse for the rear wiper. If the fuse is blown, replace it and see if the problem is resolved. If the fuse is not the issue, you’ll need to move on to checking the wiring.

Start by checking the wiring for any visible damage or breaks. If you see any damage, repair or replace the wiring as needed. If the wiring looks fine, you’ll need to use a multimeter to test the circuit.

Testing the Circuit

To test the circuit, you’ll need to use a multimeter to check for continuity. Start by disconnecting the wiper rear mode select switch from the wiring harness. Then, set your multimeter to the continuity setting and touch one lead to the switch terminal and the other lead to a ground.

If you get a reading of infinity, the circuit is open and you’ll need to replace the switch. If you get a reading of zero, the circuit is closed and the switch is functioning properly.

Replacing the Switch

If you’ve determined that the switch is the problem, you’ll need to replace it. Start by disconnecting the negative battery cable to prevent any electrical shocks. Then, remove the old switch by disconnecting the wiring harness and removing any mounting screws.

Install the new switch by connecting the wiring harness and mounting it in place. Finally, reconnect the negative battery cable and test the rear wiper to ensure it’s functioning properly.

Conclusion

Diagnosing and solving B1612 wiper rear mode select switch circuit open issues may seem daunting, but with a little bit of knowledge and some troubleshooting, you can do it yourself. By following the steps outlined in this article, you’ll be able to diagnose and solve the problem quickly and easily.

FAQs

1. Can I drive my vehicle with a B1612 error code?

It’s not recommended to drive your vehicle with a B1612 error code, as it can cause further damage to the wiper rear mode select switch circuit. It’s best to diagnose and solve the problem as soon as possible.

2. Can I replace the switch myself?

Yes, you can replace the switch yourself if you have some basic knowledge of car mechanics and electrical systems. However, if you’re not comfortable working on your vehicle, it’s best to take it to a professional mechanic.

3. How can I prevent B1612 wiper rear mode select switch circuit open issues?

To prevent B1612 wiper rear mode select switch circuit open issues, it’s important to perform regular maintenance on your vehicle, including checking the fuses and wiring for any damage or wear. Additionally, avoid using the rear wiper excessively, as this can cause the switch to wear out more quickly.