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Home >> Ford >> 2000 >> Contour SE, 2.0 3, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 929 (Handles, Locks, Latches And Entry Systems -- F250-F550 Super Duty) >> Diagnosis And Testing >> Locks, Latches and Entry Systems - Non Module Controlled >> Pinpoint Tests >> Pinpoint Test A: A Single Door Lock Is Inoperative

Pinpoint Test A: A Single Door Lock Is Inoperative

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. A1 CHECK THE MANUAL OPERATION OF THE SUSPECT DOOR LOCK 
    • Manually operate the inoperative door lock.
    • Check for binding or a stuck condition.
    • Is the lock stuck or binding? 
    • Yes  : REPAIR binding components. TEST the system for normal operation.
    • No  : GO to A2.
  2. A2 CHECK THE LOCK ACTUATOR FOR THE LOCK OPERATION 
    • Key in OFF position.
    • Disconnect: Passenger Door Lock Actuator C603.
    • Disconnect: Driver Door Lock Actuator C525.
    • Measure the voltage between the inoperative door lock actuator C603 (passenger) or C525 (driver), circuit 117 (PK/BK), harness side and ground while operating the door lock control switch to the lock position.
      Fig 1: Measuring Voltage Between Inoperative Door Lock Actuator C603 Or C525, Circuit 117 (PK/BK), Harness Side And Ground
      G03925893Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes  : GO to A3.
    • No  : REPAIR the circuit. TEST the system for normal operation.
  3. A3 CHECK THE DOOR LOCK ACTUATOR FOR UNLOCK OPERATION 
    • Measure the voltage between the inoperative door lock actuator C603 (passenger) or C525 (driver), circuit 118 (PK/OG), harness side and ground while operating the door lock control switch to the unlock position.
      Fig 2: Measuring Voltage Between Inoperative Door Lock Actuator C603 Or C525, Circuit 118 (PK/OG), Harness Side And Ground
      G03925894Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes  : INSTALL a new door lock actuator. REFER to DOOR LOCK ACTUATOR  in this article. TEST the system for normal operation.
    • No  : REPAIR the circuit. TEST the system for normal operation.
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