Pinpoint Test P: The Individual Fog Lamp Is Inoperative

P1 CHECK THE GROUND TO THE FOG LAMP
- Key in OFF position.
- Disconnect: Inoperative Fog Lamp.
- If Cobra, measure the resistance between the inoperative fog lamp C1323 pin 2 (RH) or C1322 pin 2 (LH), circuit 1205 (BK), harness side and ground.
  
  Fig 1: Checking Ground To Fog Lamp - Cobra
  Courtesy of FORD MOTOR CO.
- All others, measure the resistance between inoperative fog lamp C162 pin 1 (RH) or C152 pin 1 (LH), circuit 1205 (BK), harness side and ground.
  
  Fig 2: Checking Ground To Fog Lamp - All Others
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
1. Yes: REPAIR circuit 478 (TN/OG) for open. TEST the system for normal operation.
2. No: REPAIR circuit 1205 (BK). TEST the system for normal operation.