Pinpoint Test B: No Communication With The Digital Versatile Disc (DVD) Player: Testing

WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.

B1 CHECK CIRCUIT 1563 (LG) FOR VOLTAGE
- Disconnect: DVD player C9029.
- Key in ON position.
- Measure the voltage between the DVD player C9029-1, circuit 1563 (LG), harness side and ground.
  
  Fig 1: Measuring Voltage Between DVD Player C9029-1 Circuit 1563 (LG)
  Courtesy of FORD MOTOR CO.
- Is the voltage greater than 10 volts?
- Yes : GO to B2.
- No : REPAIR the circuit. TEST the system for normal operation.
B2 CHECK CIRCUIT 1204 (BK/OG) FOR AN OPEN
- Key in OFF position.
- Measure the resistance between the DVD player C9029-14, circuit 1204 (BK/OG), harness side and ground.
  
  Fig 2: Measuring Resistance Between DVD Player C9029-14 Circuit 1204 (BK/OG)
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
- Yes : REFER to MODULE COMMUNICATIONS NETWORK to continue network communication diagnosis.
- No : REPAIR the circuit. TEST the system for normal operation.