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Home >> Mercury >> 2010 >> Milan Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1098 (Handles, Locks, Latches And Entry Systems) >> Diagnostic Tests >> Locks, Latches and Entry Systems - Non Module Controlled >> Pinpoint Tests >> Pinpoint Test N: The Door Locks Operate Only One Way >> Pinpoint Test N: The Door Locks Operate Only One Way

Pinpoint Test N: The Door Locks Operate Only One Way

WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
NOTE: The side and rear cargo doors equipped with the E-Guard Cargo Protection SystemTM will only unlock with the key from outside the vehicle.
  1. N1 CHECK CIRCUIT 57 (BK) FOR AN OPEN 
    • Disconnect: RH Door Lock Control Switch C629
      • Fig 1: Checking Circuit 57 (BK) For An Open
      GF0011448Courtesy of FORD MOTOR CO.
    • Measure the resistance between the RH door lock control switch C629-10, circuit 57 (BK), harness side and ground; and between the RH door lock control switch C629-3, circuit 57 (BK), harness side and ground.
    • Are the resistances less than 5 ohms? 
    1. YES  : INSTALL a new RH door lock control switch. REFER to Door Lock Control Switch - Front Door . TEST the system for normal operation.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
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