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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 849 (Door System - Handles, Locks, Latches And Entry Systems) >> Diagnosis And Testing >> Locks, Latches and Entry Systems - Module Controlled >> Pinpoint Tests >> Pinpoint Test F: The Door Locks Operate Only One Way

Pinpoint Test F: The Door Locks Operate Only One Way

WARNING: This page is about a different car, the 2005 Ford RV Cutaway, 2005 Ford Econoline, 2005 Ford E450 Super Duty, and 2005 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. F1 CHECK THE SUSPECT DOOR LOCK CONTROL SWITCH 
    • Key in OFF position.
    • Disconnect: Suspect Door Lock Control Switch Connector.

      Carry out the door lock control switch component test. Refer to COMPONENT TESTING article for component testing.

    • Is the door lock control switch OK? 
  2. F2 CHECK CIRCUIT 119 (PK/YE) FOR AN OPEN OR A SHORT TO GROUND 
    • Disconnect: Vehicle Security Module C203a.
    • Measure the resistance between the suspect door lock control switch connector, circuit 119 (PK/YE), harness side and the vehicle security module C203a-17, circuit 119 (PK/YE), harness side; and between the suspect door lock control switch connector, circuit 119 (PK/YE), harness side and ground.
      Fig 1: Measuring Resistance Between Suspect Door Lock Control Switch Connector And Ground
      G03891057Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : GO to F3.
    • No  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
  3. F3 CHECK CIRCUIT 120 (PK/YE) FOR AN OPEN OR A SHORT TO GROUND 
    • Measure the resistance between the suspect door lock control switch connector, circuit 120 (PK/LG), harness side and the vehicle security module C203a-9, circuit 120 (PK/LG), harness side; and between the suspect door lock control switch connector, circuit 120 (PK/LG), harness side and ground.
      Fig 2: Measuring Resistance Between Suspect Door Lock Control Switch Connector And Ground
      G03891058Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms?
    • Yes  : GO to F4.
    • No  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
  4. F4 CHECK FOR CORRECT VEHICLE SECURITY MODULE OPERATION 
    • Disconnect all the vehicle security module connectors.
    • Check for:
      • corrosion
      • pushed-out pins
    • Connect all the vehicle security module connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    • Yes  : INSTALL a new vehicle security module. REFER to MULTIFUNCTION ELECTRONIC MODULES . CLEAR the DTCs. REPEAT the self-test.
    • No  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.
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