Pinpoint Test A : Brake Shift Interlock System: Notes

Diagnostic Overview 

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Refer to Shift Interlock for schematic and connector information.

Brake Shift Interlock B1319:11 

Normal Operation and Fault Conditions 

The BCM provides power to the Brake Shift Interlock Actuator (BSIA). When the BCM receives a brake pedal applied input, voltage is applied to the brake shift interlock solenoid. When the solenoid is energized, the plunger is pulled inward allowing the selector lever to move from the park position.

DTC Fault Trigger Conditions 

Possible Sources 

• Connectors damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals
• Brake Shift Interlock Actuator (BSIA)
• BCM