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Pinpoint Test A : Brake Shift Interlock System

  1. A1 RETRIEVE AND RECORD ALL DTCS

    • Using the diagnostic scan tool, retrieve all DTCs.

    Is DTC B1319:11 present? 

    Yes  GO to  A2
    No  REFER to Symptom Chart .

  2. A2 CHECK THE BRAKE SHIFT INTERLOCK ACTUATOR POWER CIRCUIT FOR A SHORT TO GROUND

    • Disconnect Floor Shifter C3531 .
    • Inspect for damaged or pushed-out terminals.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C3531-12
      GFD66575Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the resistance greater than 10, 000 ohms? 

    Yes  INSTALL a new selector lever assembly. REFER to: Selector Lever Assembly .
    No  REPAIR the circuit.
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