For 1990-2009 cars

## Symptoms - Park Brake Base Park Brake

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

Refer to Park Brake System 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.

### Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

### Symptom List

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

• | Park Brake Indicator Inoperative

• | Park Brake Indicator Always On

## Symptoms - Park Brake RPO J71

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

Refer to Park Brake System Description and Operation .

### Visual/Physical Inspection

• | Inspect for proper fluid level and correct if necessary.

• | 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.

### Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

### Symptom List

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

• | Apply Park Brake Indicator Inoperative

• | Apply Park Brake Indicator Always On

• | Park Brake Indicator Inoperative

• | Park Brake Indicator Always On

• | Service Park Brake Indicator Inoperative

• | Service Park Brake Indicator Always On

• | Park Brake Pressure Sensor Circuit Check

• | Park Brake Pump Motor Does Not Run

• | Park Brake Pump Motor Runs Continuously

## Symptoms - Park Brake RPO JE5

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

Refer to Park Brake System 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.

### Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

### Symptom List

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

• | Park Brake Indicator Inoperative

• | Park Brake Indicator Always On