Park Brake System Diagnosis

Park Brake System Diagnosis

Diagnostic Starting Point - Park Brake

Begin the system diagnosis by reviewing the system description and operation. Reviewing the description and operation information will help you determine the correct symptom diagnostic procedure when a malfunction exists. Reviewing the description and operation information will also help you determine if the condition described by the customer is normal operation. Refer to Symptoms - Park Brake (Symptom Related Diagnostic Procedures) in order to identify the correct procedure for diagnosing the system and where the procedure is located.


Symptoms - Park Brake

Important: Review the system operation in order to familiarize yourself with the system functions.



Refer to Park Brake System Description and Operation (Description and Operation) .


Visual/Physical Inspection

* Inspect for aftermarket devices which could affect the operation of the park brake system.
* Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.



Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnosis the symptom:


Refer to Park Brake Will Not Hold (Park Brake Will Not Hold) or Park Brake Will Not Release (Park Brake Will Not Release) .