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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 919 (Exterior Lighting System -- F250-F550 Super Duty) >> Diagnosis And Testing >> Headlamps >> Pinpoint Tests >> Pinpoint Test E: The Headlamps Are On Continuously

Pinpoint Test E: The Headlamps Are On Continuously

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. E1 CHECK THE HIGH BEAM CIRCUIT FOR SHORT TO POWER 
    • Key in OFF position.
    • Place the multifunction switch in the low beam position.
    • Is the high beam indicator illuminated? 
    • Yes  : GO to E2.
    • No  : GO to  E6.
  2. E2 CHECK CIRCUIT 12 (LG/BK) TO THE HEADLAMPS FOR SHORT TO POWER 
    • Disconnect: Central Junction Box (CJB) C270h.
    • Do the headlamps continue to illuminate? 
    • Yes  : REPAIR circuit 12 (LG/BK). TEST the system for normal operation.
    • No  : GO to E3.
  3. E3 CHECK THE CJB FOR SHORT TO POWER 
    • Connect: CJB C270h.
    • Disconnect: CJB C270b.
    • Do the headlamps continue to illuminate? 
    • Yes  : INSTALL a new CJB. TEST the system for normal operation.
    • No  : GO to E4.
  4. E4 CHECK THE HIGH BEAM INDICATOR CIRCUIT FOR SHORT TO POWER 
    • Measure the voltage between CJB C270b-9, circuit 12 (LG/BK), harness side and ground.
      Fig 1: Checking High Beam Indicator Circuit For Short To Power
      G03910949Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    • Yes  : REPAIR the circuit. TEST the system for normal operation.
    • No  : GO to E5.
  5. E5 CHECK CIRCUIT 632 (GY/OG) FOR SHORT TO POWER 
    • Connect: CJB C270b.
    • Disconnect: Multifunction Switch C202a.
    • Do the headlamps continue to illuminate? 
    • Yes  : REPAIR the circuit. TEST the system for normal operation.
    • No  : INSTALL a new multifunction switch. REFER to STEERING COLUMN SWITCHES . TEST the system for normal operation.
  6. E6 CHECK CIRCUIT 160 (DB/WH) AND CIRCUIT 161 (DB/OG) FOR SHORT TO POWER 
    • Disconnect: Central Junction Box (CJB) C270f.
    • Do the headlamps continue to illuminate? 
    • Yes  : REPAIR circuit 160 (DB/WH) or 161 (DG/OG) as necessary. TEST the system for normal operation.
    • No  : GO to E7.
  7. E7 CHECK THE CJB 
    • Connect: CJB C270f.
    • Disconnect: CJB C270g.
    • Do the headlamps continue to illuminate? 
    • Yes  : INSTALL a new CJB. TEST the system for normal operation.
    • No  : RECONNECT the CJB C270g.

      If equipped with daytime running lamps (DRL), GO to E8.

      If not equipped with daytime running lamps (DRL), GO to E8.

  8. E8 CHECK CIRCUIT 13 (RD/BK) FOR SHORT TO POWER 
    • Disconnect: DRL Full Relay No.1.
    • Do the headlamps continue to illuminate? 
    • Yes  : REPAIR circuit 13 (RD/BK). TEST the system for normal operation.
    • No  : GO to E9.
  9. E9 CHECK CIRCUIT 1033 (RD/YE) FOR SHORT TO POWER 
    • Measure the voltage between DRL full relay No.1 pin 4, circuit 1033 (RD/YE), harness side and ground.
      Fig 2: Checking Circuit 1033 (RD/YE) For Short To Power
      G03910941Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    • Yes  : REINSTALL the DRL full relay No.1. GO to E10.
    • No  : REFER to DAYTIME RUNNING LAMPS for further diagnosis.
  10. E10 CHECK CIRCUIT 13 (RD/BK) FROM THE MULTIFUNCTION SWITCH FOR AN OPEN 
    • Disconnect: Multifunction Switch C202a.
    • Measure the voltage between multifunction switch C202a-9, circuit 13 (RD/BK), harness side and ground.
      Fig 3: Checking Circuit 13 (RD/BK) From Multifunction Switch For An Open
      G03910951Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    • Yes  : REPAIR the circuit. TEST the system for normal operation.
    • No  : GO to E11.
  11. E11 CHECK CIRCUIT 15 (RD/YE) FOR SHORT TO POWER 
    • Measure the voltage between multifunction switch C202a-8, circuit 15 (RD/YE), harness side and ground.
      Fig 4: Checking Circuit 15 (RD/YE) For Short To Power
      G03910938Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    • Yes  : GO to E12.
    • No  : INSTALL a new multifunction switch. REFER to STEERING COLUMN SWITCHES . TEST the system for normal operation.
  12. E12 CHECK THE HEADLAMP SWITCH 
    • Carry out the headlamp switch component test. Refer to COMPONENT TESTING .
    • Is the headlamp switch OK? 
    • Yes  : If equipped with autolamps, GO to E13.

      If not equipped with autolamps, REPAIR circuit 15 (RD/YE). TEST the system for normal operation.

    • No  : INSTALL a new headlamp switch. REFER to LAMP SWITCH - HEADLAMP . TEST the system for normal operation.
  13. E13 CHECK THE AUTOLAMP SYSTEM 
    • Disconnect: Vehicle Security Module C2113b.
    • Connect: Headlamp Switch C205a.
    • Connect: Multifunction Switch C202a.
    • Do the headlamps continue to illuminate? 
    • Yes  : REPAIR circuit 15 (RD/YE). TEST the system for normal operation.
    • No  : REFER to AUTOLAMPS .
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