Pinpoint Test X : The Fuel Filler Door Lock Is Inoperative (If Equipped)
WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
- X1 CHECK THE DRIVER DOOR LOCK OPERATION
- Ignition OFF.
- Press the lock and unlock buttons on a valid programmed RKE transmitter while observing the driver door lock operation.
Does the driver door lock operate correctly?
Yes GO to X2 No GO to Pinpoint Test J - X2 CHECK THE FUEL FILLER DOOR LOCK CIRCUIT FOR AN OPENNOTE: The following step uses a test lamp to simulate normal circuit loads. Use only a Rotunda Test Lamp (SGT27000) or 250-300mA incandescent bulb test lamp. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.
- Disconnect: Fuel Filler Door Lock C409 .
- Connect:
Positive Lead Measurement / Action Negative Lead C409-4 Ground
-
NOTE: The BCM only supplies voltage to the actuator momentarily. It is important to monitor the test lamp while pressing the door lock control switch.
While pressing the door lock control switch in the lock position, monitor the test lamp.
Does the test lamp momentarily illuminate?
Yes GO to X3 No REPAIR the circuit - X3 CHECK THE FUEL FILLER DOOR UNLOCK CIRCUIT FOR AN OPENNOTE: The following step uses a test lamp to simulate normal circuit loads. Use only a Rotunda Test Lamp (SGT27000) or 250-300mA incandescent bulb test lamp. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.
- Connect:
Positive Lead Measurement / Action Negative Lead C409-1 Ground
-
NOTE: The BCM only supplies voltage to the actuator momentarily. It is important to monitor the test lamp while pressing the door lock control switch.
While pressing the door lock control switch in the unlock position, monitor the test lamp.
Does the test lamp momentarily illuminate?
Yes INSTALL a new fuel filler door lock. REFER to: Fuel Filler Door Assembly . No REPAIR the circuit - Connect: