For 1990-2009 cars

## Park Brake Indicator Always On Electro-Hydraulic Parking Brake

### Circuit Description

The PBCM illuminates the PARK BRAKE indicator when the parking brake is applied. The PBCM illuminates the indicator by applying ground to the lamp.

### Diagnostic Aids

Thoroughly inspect connections or circuitry that may cause an intermittent malfunction. Refer to the following:

• | Testing for Electrical Intermittents

• | Testing for Intermittent Conditions and Poor Connections

• | Wiring Repairs

• | Connector Repairs

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Park Brake System Schematics
1 | Did you perform the Parking Brake Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Park Brake
2 |

1. Turn ON the ignition.
2. Release the parking brake.

Does the PARK BRAKE indicator turn OFF?

Go to Diagnostic Aids

Go to Step 3

3 |

1. Turn OFF the ignition.
2. Disconnect from the PBCM, the harness connector containing the park brake indicator control circuit.
3. Turn ON the ignition.

Does the PARK BRAKE indicator turn OFF?

Go to Step 6

Go to Step 4

4 |

1. Disconnect from the instrument panel cluster, the harness connector containing the park brake indicator control circuit. Refer to Instrument Cluster Replacement in Instrument Panel, Gages, and Console.
2. Test the park brake indicator control circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 7

Go to Step 5

5 | Replace the instrument panel cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gages, and Console. Did you complete the replacement? | Go to Step 7 | --
6 | Replace the PBCM. Refer to Park Brake Control Module Replacement . Did you complete the replacement? | Go to Step 7 | --
7 |

1. Turn ON the ignition.
2. Release the parking brake.

Does the PARK BRAKE indicator turn OFF?

System OK

Go to Step 3

## Park Brake Indicator Always On W/O J71

### Circuit Description

The Park Brake Indicator illuminates when ground is applied through the Park Brake Switch. The indicator also grounds through the ignition switch when the ignition switch is in the START position.

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Park Brake System Schematics
1 | Did you review the Park Brake Description and Operation? | Go to Step 2 | Go to Diagnostic System Check - ABS
2 | Disconnect the Park Brake Switch connector. Did the Park Brake Indicator turn OFF? | Go to Step 4 | Go to Step 3
3 | Test the Park Brake Indicator Control Circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 6 | Go to Step 5
4 | Replace the Park Brake Switch. Refer to Parking Brake Indicator Switch Replacement . Did you complete the replacement? | Go to Step 6 | --
5 | Replace the Instrument Cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gages, and Console. Did you complete the repair? | Go to Step 6 | --
6 | Operate the system to verify the repair Does the system operate properly? | System OK | Go to Step 2