Test 13D - Repairing Open Parking Brake Switch Circuit
NOTE:
For connector terminal identification, see CONNECTOR IDENTIFICATION
. For wiring diagrams, see WIRING DIAGRAMS
. Perform TEST VER-1 after each repair.
CAUTION:
Always turn ignition switch to OFF position prior to disconnecting any module connector.
- Turn ignition switch to OFF position. Disconnect instrument cluster Gray connector. Remove and inspect BRAKE warning lamp. replace lamp if necessary. If lamp is okay, depress parking brake. Place gear shift lever in Drive. Go to next step.
- Using DRB in ohmmeter mode, check resistance of instrument cluster Gray connector terminal No. 6 (Gray/Black wire) while cranking engine. If resistance is less than 5 ohms, repair or replace instrument cluster as necessary. See INSTRUMENT PANEL article in ACCESSORIES/SAFETY EQUIPMENT. If resistance is more than 5 ohms, go to next step.
- Disconnect ignition switch connector. See Figure . Using an external ohmmeter, check resistance of Gray/Black wire between instrument cluster Gray connector terminal No. 6 and ignition switch connector terminal No. 7. If resistance is more than 5 ohms, repair open Gray/Black wire. If resistance is less than 5 ohms, replace ignition switch.