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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1286 (Instrument Cluster And Panel Illumination) >> Diagnosis And Testing >> Instrument Cluster and Panel Illumination >> Pinpoint Test C: The Control Illumination Is Always On >> Pinpoint Test C: THE CONTROL ILLUMINATION IS ALWAYS ON

Pinpoint Test C: THE CONTROL ILLUMINATION IS ALWAYS ON

WARNING: This page is about a different car, the 2005 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
  1. C1 CHECK THE OPERATION OF THE FRONT ELECTRONIC MODULE (FEM) 
    • Disconnect: Front Electronic Module (FEM) C201f. Yes
    • Does the illumination go out? 
    • GO to  C12.
    • No  : GO to  C2.
  2. C2 CHECK CIRCUIT 64S-LH5 (BU/RD) FOR A SHORT TO VOLTAGE 
    • Disconnect: Interior Auxiliary Junction Box C283a.
    • Measure the voltage between the interior auxiliary junction box C283a-9, circuit 64S-LH5 (BU/RD), harness side and ground.
      Fig 1: Checking Circuit 64S-LH5 (BU/RD) For Short To Voltage
      G03998273Courtesy of FORD MOTOR CO.
    • Is any voltage indicated? 
    • Yes  : REPAIR the circuit. TEST the system for normal operation.
    • No  : GO to  C3.
  3. C3 CHECK THE INTERIOR AUXILIARY JUNCTION BOX FOR A SHORT TO VOLTAGE 
    • Disconnect: Interior Auxiliary Junction Box C283b.
    • Disconnect: Interior Auxiliary Junction Box C283d.
    • Measure the voltage between the interior auxiliary junction box C283a-9, circuit 64S-LH5 (BU/RD), component side and ground.
      Fig 2: Measuring Voltage Between Interior Auxiliary Junction Box C283A-9, Circuit 64S-Lh5 (BU/RD), Component Side And Ground
      G03998269Courtesy of FORD MOTOR CO.
    • Is any voltage indicated? 
    • Yes  : REPAIR or INSTALL a new interior auxiliary junction box. TEST the system for normal operation.
    • No  : If the instrument cluster and instrument panel switches remain illuminated, GO to  C4.

      If the door and window switches remain illuminated, GO to  C7.

  4. C4 CHECK THE SUPPLY CIRCUIT 64S-LH4 (BU/RD) FOR A SHORT TO VOLTAGE 
    • Measure the voltage between the interior auxiliary junction box C283b-9, circuit 64S-LH4 (BU/RD), harness side and ground.
      Fig 3: Measuring Voltage Between Interior Auxiliary Junction Box C283B-9, Circuit 64S-Lh4 (BU/RD) And Ground
      G03998273Courtesy of FORD MOTOR CO.
    • Is any voltage indicated? 
    • Yes  : REPAIR the circuit. TEST the system for normal operation.
    • No  : GO to  C5.
  5. C5 CHECK THE ILLUMINATION SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE 
    • Measure the voltage between the interior auxiliary junction box C283a-13, circuit 64S-LH4 (BU/RD), component side and ground.
      Fig 4: Measuring Voltage Between Interior Auxiliary Junction Box C283A-13, Circuit 64S-Lh4 (BU/RD), Component Side And Ground
      G03998289Courtesy of FORD MOTOR CO.
    • Is any voltage indicated? 
    • Yes  : REPAIR or INSTALL a new interior auxiliary junction box. TEST the system for normal operation.
    • No  : GO to  C6.
  6. C6 CHECK THE SUPPLY CIRCUITS FOR A SHORT TO VOLTAGE 
    • Disconnect: Joint Connector 3 C224.
    • Measure the voltage between the joint connector 3 C224, harness side and ground as follows:
      JOINT CONNECTOR 3 C224 VOLTAGE SPECIFICATIONS

      Joint Connector 3 Circuit Component
      C224-16 64-LK18 (BU/RD) Steering wheel switch
      C224-12 64S-LE10 (BU/YE) Instrument panel dimmer switch
      C224-20 64S-LH26 (BU/BK) Headlamp switch
      C224-21 64S-GG25 (BU/OG) Message center switch
      C224-15 64S-LK29 (BU/RD) Instrument cluster
      C224-17 64S-LK34 (BU/BK) Navigation audio unit
      C224-14 64S-AL19 (BU/BK) Adjustable pedal switch
      C224-13 64S-LK1 (BU/RD) Illumination supply
    • Is any voltage indicated? 
    • Yes  : REPAIR the circuit(s) in question for short to voltage. TEST the system for normal operation.
    • No  : REPAIR or INSTALL a new joint connector 3.
  7. C7 CHECK CIRCUIT 64S-LH16 (BU/WH) FOR A SHORT TO VOLTAGE 
    • Measure the voltage between the interior auxiliary junction box C283b-10, circuit 64S-LH16 (BU/WH), harness side and ground.
      Fig 5: Measuring Voltage Between Interior Auxiliary Junction Box C283B-10, Circuit 64S-Lh16 (BU/WH) And Ground
      G03998290Courtesy of FORD MOTOR CO.
    • Is any voltage indicated? 
    • Yes  : REPAIR the following circuit(s): 64S-LH16 (BU/WH), 64S-LH16A (BU/WH), or 64S-LH15 (BU) for a short to voltage. TEST the system for normal operation.
    • No  : GO to  C8.
  8. C8 CHECK CIRCUIT 64S-LH1 (BU/RD) FOR A SHORT TO VOLTAGE 
    • Measure the voltage between the interior auxiliary junction box C283b-1, circuit 64S-LH1 (BU/RD), harness side and ground.
      Fig 6: Measuring Voltage Between Interior Auxiliary Junction Box C283B-1, Circuit 64S-Lh1 (BU/RD) And Ground
      G03998291Courtesy of FORD MOTOR CO.
    • Is any voltage indicated? 
    • Yes  : REPAIR the following circuit(s): 64S-LH1 (BU/RD), 64S-LH14 (BU), 64S-AH27 (BU), 64S-LH28 (BU), or 64S-LH50 (BU/YE) for a short to voltage. TEST the system for normal operation.
    • No  : GO to  C9.
  9. C9 CHECK CIRCUIT 64S-AD2 (BU/RD) FOR A SHORT TO VOLTAGE 
    • Disconnect: Central Junction Box (CJB) C270d.
    • Measure the voltage between the interior auxiliary junction box C283b-11, circuit 64S-AD2 (BU/RD), harness side and ground.
      Fig 7: Measuring Voltage Between Interior Auxiliary Junction Box C283B-11, Circuit 64S-Ad2 (BU/RD) And Ground
      G03998292Courtesy of FORD MOTOR CO.
    • Is any voltage indicated? 
    • Yes  : REPAIR the circuit. TEST the system for normal operation.
    • No  : GO to  C10.
  10. C10 CHECK CIRCUIT 64S-LH2 (BU/RD) FOR A SHORT TO VOLTAGE 
    • Measure the voltage between the CJB C270d-25, circuit 64S-LH2 (BU/RD), harness side and ground.
      Fig 8: Measuring Voltage Between CJB C270D-25, Circuit 64S-Lh2 (BU/RD) And Ground
      G03998293Courtesy of FORD MOTOR CO.
    • Is any voltage indicated? 
    • Yes  : REPAIR the following circuit(s): 64S-LH2 (BU/RD), 64S-LH31 (BU/RD), or 64S-LH42 (BU/RD) for a short to voltage. TEST the system for normal operation.
    • No  : GO to  C11.
  11. C11 CHECK CIRCUIT 64S-LH33 (BU/BK) FOR A SHORT TO VOLTAGE 
    • Measure the voltage between the CJB C270d-26, circuit 64S-LH33 (BU/BK), harness side and ground.
      Fig 9: Measuring Voltage Between CJB C270D-26, Circuit 64S-LH33 (BU/BK) And Ground
      G03998294Courtesy of FORD MOTOR CO.
    • Is any voltage indicated? 
    • Yes  : REPAIR the following circuit(s): 64S-LH33 (BU/BK), 64S-LH33A (BU/BK), or 64S-LH32 (BU/RD) for a short to voltage. TEST the system for normal operation.
    • No  : REPAIR or INSTALL a new CJB. TEST the system for normal operation.
  12. C12 CHECK FOR CORRECT FEM OPERATION 
    • Disconnect all the FEM connectors.
    • Check for:
      • corrosion
      • pushed-out pins
    • Connect all the FEM connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    • Yes  : INSTALL a new FEM. REFER to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation.
    • No  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.
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