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HOMESERVICE MANUALSFORD2009EDGE SPORT, FWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 83 (MULTIFUNCTION ELECTRONIC MODULES -- F250-F550 SUPER DUTY)DIAGNOSIS AND TESTINGVEHICLE SECURITY MODULEPINPOINT TESTSPINPOINT TEST A: NO COMMUNICATION WITH THE VEHICLE SECURITY MODULE
2009 Ford Edge Sport, FWD

Pinpoint Test A: No Communication With The Vehicle Security Module

2009 Ford Edge Sport, FWDSECTION Pinpoint Test A: No Communication With The Vehicle Security Module
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 VOLTAGE TO THE VEHICLE SECURITY MODULE 
    NOTE: The battery must be disconnected before disconnecting the vehicle security module connectors to prevent triggering the anti-theft alarm.
    • Key in OFF position.
    • Disconnect the battery. Refer to BATTERY, MOUNTING AND CABLES .
    • Disconnect: Vehicle Security Module C2113b.
    • Connect the battery. Refer to BATTERY, MOUNTING AND CABLES .
    • Key in ON position.
    • Measure the voltage between the vehicle security module C2113b pin 3, circuit 1306 (PK/WH), harness side and ground; and between the vehicle security module C2113b pin 1, circuit 116 (RD/BK), harness side and ground.
      Fig 1: Checking Voltage To The Vehicle Security Module
      G03911173Courtesy of FORD MOTOR CO.
    • Are the voltages greater than 10 volts? 
    • Yes  : GO to A2.
    • No  : REPAIR the circuit in question. CLEAR the DTCs. REPEAT the self-test.
  2. A2 CHECK THE VEHICLE SECURITY MODULE GROUND CIRCUIT 
    • Key in OFF position.
    • Disconnect the battery. Refer to BATTERY, MOUNTING AND CABLES .
    • Disconnect: Vehicle Security Module C2113a.
    • Connect the battery. Refer to BATTERY, MOUNTING AND CABLES .
    • Measure the resistance between the vehicle security module C2113a pin 14, circuit 57 (BK), harness side and ground.
      Fig 2: Checking The Vehicle Security Module Ground Circuit
      G03911174Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : REFER to MODULE COMMUNICATIONS NETWORK to continue diagnosis of the communication network.
    • No  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
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