Pinpoint Test 4

Flowchart No. 4 Symptom Brake system warning light does not illuminate with parking brake lever set

Possible cause
^ Damaged parking brake switch
^ Burnt brake system warning light bulb
^ Damaged instrument cluster
^ Open or short circuit in wiring harness
^ Poor connection of connector

Step 1
1. Remove the instrument cluster.

Bulb Inspection:

Action Chart:

2. Remove and check the brake system warning light bulb.

Step 2
1. Disconnect instrument cluster connector.

Voltmeter Connection:

Action Chart:

2. Check for continuity between terminals 2G and 3H of the instrument cluster connector.

Step3
1. Disconnect the parking brake switch connector.

Ohmmeter Connection:

Action Chart:

2. Check for continuity between the switch terminal and ground.
3. If correct, repair the wiring harness (instrument cluster-parking brake switch).
4. If not as specified, adjust or replace the parking brake switch.