Pinpoint Test L : All Door Locks Are Inoperative From One Switch
WARNING: This page is about a different car, the 2016 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
- L1 CHECK THE SUSPECT DOOR LOCK CONTROL SWITCH GROUND CIRCUIT FOR AN OPEN
- Disconnect: Suspect Door Lock Control Switch.
- For the left door lock control switch, measure:
Positive Lead Measurement / Action Negative Lead C507-4 Ground
- For the right door lock control switch, measure:
Positive Lead Measurement / Action Negative Lead C605-4 Ground
Is the resistance less than 3 ohms?
Yes INSTALL a new door lock control switch. No REPAIR the circuit.