Pinpoint Test C: The Integrated Control Panel Illumination Is Inoperative

C1 CHECK THE ILLUMINATION INPUT TO THE INTEGRATED CONTROL PANEL
- Key in OFF position.
- Disconnect: Integrated Control Panel C2009.
- Measure the voltage between the integrated control panel C2009 pin 2, circuit 1045 (DB/WH), harness side and ground, while the headlamp switch is in the PARK position and the instrument panel dimmer switch in the fully illuminated position.
  
  Fig 1: Measuring Voltage Between Integrated Control Panel C2009 Pin 2 And Ground
  Courtesy of FORD MOTOR CO.
- Is the voltage greater than 10 volts?
- Yes : GO to C2.
- No : REPAIR the circuit. TEST the system for normal operation.
C2 CHECK GROUND TO THE INTEGRATED CONTROL PANEL
- Key in OFF position.
- Measure the resistance between the integrated control panel C2009 pin 1, circuit 57 (BK), harness side and ground.
  
  Fig 2: Measuring Resistance Between Integrated Control Panel C2009 Pin 1 And Ground
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
- Yes : INSTALL a new integrated control panel. REFER to AUDIO UNIT .
- No : REPAIR the circuit. TEST the system for normal operation.