Diagnostic Starting Point - Park Brake RPO J71
Begin the system diagnosis with Diagnostic System Check - Park Brake . The Diagnostic System Check will provide the following information:
| • | The identification of the control modules which command the system. |
| • | The identification of any stored diagnostic trouble codes (DTCs) and their status. |
The use of the Diagnostic System Check will identify the correct procedure for diagnosing the system and where the procedure is located.
Diagnostic Starting Point - Park Brake Base Park Brake and RPO JE5
Begin the system diagnosis by reviewing the system Description and Operation. Refer to Park Brake 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 in order to identify the correct procedure for diagnosing the system and where the procedure is located.
