How to Diagnose and Solve B1822 Wiper Rear Park Sense Input Circuit Failure Issues

Introduction

As a car owner, it’s essential to know how to diagnose and solve common car problems. One of the most common issues that car owners face is the B1822 Wiper Rear Park Sense Input Circuit Failure. This problem can be frustrating, especially when you need to use your wipers during a rainy day. In this article, we will discuss how to diagnose and solve this issue.

What is B1822 Wiper Rear Park Sense Input Circuit Failure?

B1822 Wiper Rear Park Sense Input Circuit Failure is a diagnostic trouble code (DTC) that indicates a problem with the wiper rear park sense input circuit. This issue can occur in any car model, and it’s usually caused by a faulty sensor or wiring problem.

Diagnosing B1822 Wiper Rear Park Sense Input Circuit Failure

To diagnose this issue, you will need a diagnostic scanner that can read DTCs. Here are the steps to follow:

Step 1: Connect the Diagnostic Scanner

Connect the diagnostic scanner to the OBD-II port, which is usually located under the dashboard on the driver’s side.

Step 2: Read the DTCs

Read the DTCs using the diagnostic scanner. If the scanner displays the B1822 code, then you have a problem with the wiper rear park sense input circuit.

Step 3: Check the Sensor

Check the sensor located on the wiper motor. Ensure that it’s properly connected and not damaged. If the sensor is damaged, replace it with a new one.

Step 4: Check the Wiring

Check the wiring that connects the sensor to the wiper motor. Ensure that the wiring is not damaged or disconnected. If the wiring is damaged, repair or replace it.

Solving B1822 Wiper Rear Park Sense Input Circuit Failure

Once you have diagnosed the issue, it’s time to solve it. Here are the steps to follow:

Step 1: Replace the Sensor

If the sensor is damaged, replace it with a new one. Ensure that the new sensor is compatible with your car model.

Step 2: Repair or Replace the Wiring

If the wiring is damaged, repair or replace it. Ensure that the new wiring is compatible with your car model.

Step 3: Clear the DTCs

Clear the DTCs using the diagnostic scanner. This will reset the system and ensure that the issue is solved.

Tips to Prevent B1822 Wiper Rear Park Sense Input Circuit Failure

Here are some tips to prevent this issue from occurring:

– Regularly inspect the wiper motor and sensor for any damage or wear.
– Ensure that the wiring is properly connected and not damaged.
– Avoid using the wipers when they are frozen to the windshield.
– Use high-quality wiper blades that are compatible with your car model.

Conclusion

B1822 Wiper Rear Park Sense Input Circuit Failure is a common issue that can be frustrating for car owners. However, with the right diagnosis and solution, you can easily solve this problem. Remember to regularly inspect your wiper motor and sensor, and use high-quality wiper blades to prevent this issue from occurring.

FAQs

1. Can I still use my wipers if I have B1822 Wiper Rear Park Sense Input Circuit Failure?

Yes, you can still use your wipers, but they may not work properly. It’s best to solve the issue as soon as possible to avoid any inconvenience.

2. How much does it cost to replace the wiper motor sensor?

The cost of replacing the wiper motor sensor varies depending on your car model and the mechanic’s labor charges. It’s best to get a quote from a trusted mechanic.

3. Can I diagnose B1822 Wiper Rear Park Sense Input Circuit Failure without a diagnostic scanner?

No, you cannot diagnose this issue without a diagnostic scanner. The scanner is needed to read the DTCs and diagnose the problem accurately.