Section 07-05: Transmission, Automatic, External Controls
1996 F-150, F-250, F-350 F-Super Duty and Bronco Workshop Manual
CLEANING AND INSPECTION

Brake Shift Interlock System

  1. Turn ignition switch lock cylinder (11582) to RUN.

  1. Verify that the gearshift lever (7210) is in PARK.

  1. Without the brake pedal (2455) applied, verify that the gearshift lever cannot be shifted from PARK.

  1. Apply the brake pedal. Verify that the gearshift lever can be shifted from PARK.

  1. Shift to REVERSE.

  1. Verify that the ignition switch lock cylinder cannot be turned to the LOCK position.

  1. Shift to PARK.

  1. Verify that the ignition switch lock cylinder can be turned to the LOCK position.

  1. If the brake shift interlock system is not operating as specified, refer to Diagnosis and Testing in this section.