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Pinpoint Test B: The High Beams Are Inoperative

WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
  1. B1 MONITOR THE INSTRUMENT CLUSTER HIGH BEAM INPUT STATUS PID 
    • Key in ON position.
    • Connect the diagnostic tool.
    • Monitor the instrument cluster high beam input status PID while moving the multifunction switch from the low beam position to the high beam positions.
    • Does the PID agree with the positions of the multifunction switch? 
    1. Yes  : GO to  B8.
    2. No  : GO to B2.
  2. B2 CHECK THE MULTIFUNCTION SWITCH 
    • Key in OFF position.
    • Disconnect: Multifunction Switch C202.
    • Carry out the multifunction switch component test.

      Refer to COMPONENT TESTING .

    • Is the multifunction switch OK? 
    1. Yes  : GO to B3.
    2. No  : INSTALL a new multifunction switch. Refer to STEERING SYSTEM . TEST the system for normal operation.
  3. B3 CHECK CIRCUIT 8-LE14 (WH/BU) FOR SHORT TO POWER 
    • Disconnect: Instrument Cluster C220b.
    • Key in ON position.
    • Measure the voltage between the instrument cluster C220b-19, circuit 8-LE14 (WH/BU), harness side and ground.
      Fig 1: Measuring Voltage Between Instrument Cluster C220B-19, Circuit 8-LE14 (WH/BU), Harness Side And Ground
      G03202695Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    1. Yes  : REPAIR the circuit. CLEAR the DTCs. TEST the system for normal operation.
    2. No  : GO to B4.
  4. B4 CHECK CIRCUIT 8-LE14 (WH/BU) FOR AN OPEN OR SHORT TO GROUND 
    • Key in OFF position.
    • Measure the resistance between the instrument cluster C220b-19, circuit 8-LE14 (WH/BU), harness side and ground; and between the instrument cluster C220b-19, circuit 8-LE14 (WH/BU), harness side and the multifunction switch C202-9, circuit 8-LE14 (WH/BU), harness side.
      Fig 2: Measuring Resistance Between Instrument Cluster C220B-19, Circuit 8-Le14 (WH/BU), Harness Side And Ground
      G03202696Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms between the instrument cluster and ground; and less than 5 ohms between the instrument cluster and the multifunction switch? 
    1. Yes  : GO to B5.
    2. No  : REPAIR the circuit. CLEAR the DTCs. TEST the system for normal operation.
  5. B5 CHECK CIRCUIT 9-LG43 (BN/WH) FOR SHORT TO POWER 
    • Key in ON position.
    • Measure the voltage between the instrument cluster C220b-9, circuit 9-LG43 (BN/WH), harness side and ground.
      Fig 3: Measuring Voltage Between Instrument Cluster C220B-9, Circuit 9-Lg43 (BN/WH), Harness Side And Ground
      G03202697Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    1. Yes  : REPAIR the circuit. CLEAR the DTCs. TEST the system for normal operation.
    2. No  : GO to B6.
  6. B6 CHECK CIRCUIT 9-LG43 (BN/WH) FOR AN OPEN OR SHORT TO GROUND 
    • Key in OFF position.
    • Measure the resistance between the instrument cluster C220b-9, circuit 9-LG43 (BN/WH), harness side and ground; and between the instrument cluster C220b-9, circuit 9-LG43 (BN/WH), harness side and the multifunction switch C202-8, circuit 9-LG43 (BN/WH), harness side.
      Fig 4: Measuring Resistance Between Instrument Cluster C220B-9, Circuit 9-Lg43 (BN/WH), Harness Side And Ground
      G03202698Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms between the instrument cluster and ground; and less than 5 ohms between the instrument cluster and multifunction switch? 
    1. Yes  : GO to B7.
    2. No  : REPAIR the circuit. CLEAR the DTCs. TEST the system for normal operation.
  7. B7 CHECK FOR INSTRUMENT CLUSTER OPERATION 
    • Key in OFF position.
    • Disconnect all instrument cluster connectors.
    • Check for:
      • corrosion
      • pushed-out pins
    • Connect all instrument cluster connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    1. Yes  : INSTALL a new instrument cluster. Refer to INFORMATION, GAUGES & WARNING DEVICES . TEST the system for normal operation.
    2. No  : The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.
  8. B8 CHECK FOR FEM OPERATION 
    • Key in OFF position.
    • Disconnect all FEM connectors.
    • Check for:
      • corrosion
      • pushed-out pins
      • Connect all FEM connectors and make sure they seat correctly.
      • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    1. Yes  : INSTALL a new FEM. Refer to MODULE COMMUNICATIONS NETWORK . TEST the system for normal operation.
    2. No  : The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.
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