Passport LX 2WD V6-3.2L SOHC (6VD1) (1997)
Parking Brake Warning Switch: Description and Operation
With the ignition switch in ON or START, battery voltage is applied to fuse CB-7 and to the brake system indicator light. When you apply the parking
brake, the parking brake switch closes, providing ground for the brake system indicator light and the light comes ON to remind the driver that the
parking brake is applied.