2003 Ford ZX2 AutomaticFACTORY OEM SERVICE PROCEDURE

Door Lock/Unlock Relay

  1. Remove door lock/unlock relay. Door lock/unlock relay is located behind passenger's kick panel. Measure resistance between door lock/unlock relay (component side) terminal No. 5, and terminals No. 2, 4, 7 and 9. See Fig 1 . All resistances should be 150-185 ohms. If resistances are as specified, go to next step. If resistances are not as specified, replace door lock/unlock relay.
  2. Measure resistance between door lock/unlock relay (component side) terminal No. 6 and terminals No. 3, 8 and 12. All resistances should be less than 5 ohms. If resistances are as specified, go to next step. If resistances are not as specified, replace door lock/unlock relay.
  3. Apply battery voltage to specified door lock/unlock relay (component side) terminal and ground specified door lock/unlock relay (component side) terminal. See DOOR LOCK/UNLOCK RELAY TEST TERMINAL  table. Voltage in all test circuits should be more than 10 volts. If voltage is not as specified, replace door lock/unlock relay. If all voltages are as specified, relay is functioning properly.
    TESTING DOOR LOCK/UNLOCK RELAY TEST

    Apply Battery Voltage To Terminal No. Ground Terminal No.
    4 3
    6 2
    7 1
    9 8
Fig 1: Identifying Door Lock/Unlock Relay Terminals (Component Side)
G97H28065Courtesy of FORD MOTOR CO.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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