How to Diagnose and Solve B1447 Wiper Park Sense Circuit Open Issues

Introduction

If you’re experiencing issues with your wiper park sense circuit, you may have encountered the B1447 error code. This code indicates that there is an open circuit in the wiper park sense circuit, which can cause your wipers to malfunction. In this article, we’ll go over how to diagnose and solve this issue.

What is the Wiper Park Sense Circuit?

The wiper park sense circuit is responsible for detecting when your wipers are in the parked position. This circuit is essential for ensuring that your wipers function properly and don’t get stuck in the wrong position. When the wipers are in the parked position, the park sense circuit sends a signal to the wiper control module, which then turns off the wiper motor.

Diagnosing the B1447 Error Code

To diagnose the B1447 error code, you’ll need a multimeter and a wiring diagram for your vehicle. Here are the steps to follow:

Step 1: Check the Fuse

The first thing to check is the fuse for the wiper park sense circuit. Use your vehicle’s manual to locate the fuse box and find the fuse for the wiper park sense circuit. Use your multimeter to check if the fuse is blown. If it is, replace it and see if the error code disappears.

Step 2: Check the Wiring

If the fuse is not the issue, the next step is to check the wiring for the wiper park sense circuit. Use your wiring diagram to locate the wires for the circuit and check for any breaks or damage. Use your multimeter to check for continuity in the wires. If there is no continuity, you’ll need to repair or replace the damaged wires.

Step 3: Check the Wiper Motor

If the wiring is not the issue, the next step is to check the wiper motor itself. Use your multimeter to check for continuity in the wiper park sense circuit at the wiper motor connector. If there is no continuity, the wiper motor may be faulty and need to be replaced.

Solving the B1447 Error Code

Once you’ve diagnosed the issue, it’s time to solve the B1447 error code. Here are the steps to follow:

Step 1: Repair or Replace the Wiring

If the issue is with the wiring, you’ll need to repair or replace the damaged wires. Use electrical tape or wire connectors to repair any breaks in the wires. If the wires are too damaged, you may need to replace them entirely.

Step 2: Replace the Wiper Motor

If the issue is with the wiper motor, you’ll need to replace it. You can purchase a new wiper motor from your local auto parts store or online. Follow the manufacturer’s instructions to install the new wiper motor.

Conclusion

The B1447 error code can be frustrating, but with the right tools and knowledge, you can diagnose and solve the issue. Remember to check the fuse, wiring, and wiper motor to determine the cause of the issue. Once you’ve diagnosed the issue, repair or replace the damaged components to solve the error code.

FAQs

1. Can I still use my wipers if I’m experiencing the B1447 error code?

Yes, you can still use your wipers, but they may not function properly. It’s best to diagnose and solve the issue as soon as possible to avoid any further damage.

2. How do I know if the issue is with the wiring or the wiper motor?

You can use a multimeter to check for continuity in the wiper park sense circuit at the wiper motor connector. If there is no continuity, the issue is likely with the wiper motor. If there is continuity, the issue is likely with the wiring.

3. Can I diagnose and solve the B1447 error code myself?

Yes, you can diagnose and solve the B1447 error code yourself if you have the right tools and knowledge. However, if you’re not comfortable working with electrical components, it’s best to take your vehicle to a professional mechanic.