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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 492 (Instrument Cluster System And Panel Illumination) >> Diagnosis And Testing >> Instrument Cluster and Panel Illumination >> Pinpoint Tests >> Pinpoint Test E: One Or More Illumination Source(S) Is Inoperative

Pinpoint Test E: One Or More Illumination Source(S) Is Inoperative

WARNING: This page is about a different car, the 2004 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
  1. E1 CHECK THE INOPERATIVE ILLUMINATION SOURCE 
    • Place the headlamp switch in the PARK position.
    • Rotate the instrument panel dimmer switch to the full illumination position.
    • Observe the illumination.
    • Is one or more illumination source inoperative? 
    1. Yes  : Go To PINPOINT TEST A: THE CONTROL ILLUMINATION IS INOPERATIVE .
    2. No  : If the headlamp switch illumination is inoperative, GO to  E2.

      If the four-wheel drive switch illumination is inoperative, GO to  E4.

      If the fog lamp switch illumination is inoperative, GO to  E6.

      If the speed control switch(es) illumination is inoperative, GO to  E8.

  2. E2 CHECK FOR POWER AT THE HEADLAMP SWITCH 

    ILLUMINATION CIRCUIT 

    • Disconnect: Headlamp Switch C205.
    • Place the headlamp switch in the PARK position.
    • Rotate the instrument panel dimmer switch to the full illumination position.
    • Measure the voltage between the headlamp switch C205 pin 9, circuit 19 (LB/RD), harness side and ground.
      Fig 1: Checking For Power At Headlamp Switch
      G03277010Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    1. Yes  : GO to E3.
    2. No  : REPAIR the circuit. TEST the system for normal operation.
  3. E3 CHECK FOR GROUND AT THE HEADLAMP SWITCH ILLUMINATION CIRCUIT 
    • Measure the resistance between the headlamp switch C205 pin 7, circuit 57 (BK), harness side and ground.
      Fig 2: Checking For Ground At Headlamp Switch Illumination Circuit
      G03277011Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. Yes  : INSTALL a new headlamp switch. REFER to EXTERIOR LIGHTING . TEST the system for normal operation.
    2. No  : REPAIR the circuit. TEST the system for normal operation.
  4. E4 CHECK FOR POWER TO THE FOUR -WHEEL DRIVE SWITCH ILLUMINATION CIRCUIT 
    • Disconnect: Four-Wheel Drive Switch C284.
    • Place the headlamp switch in the PARK position.
    • Rotate the instrument panel dimmer switch to the full illumination position.
    • Measure the voltage between the four-wheel drive switch C284 pin 1, circuit 19 (LB/RD), harness side and ground.
      Fig 3: Checking For Power To Four-Wheel Drive Switch Illumination Circuit
      G03277012Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    1. Yes  : GO to E5.
    2. No  : REPAIR the circuit. TEST the system for normal operation.
  5. E5 CHECK FOR GROUND AT THE FOUR-WHEEL DRIVE SWITCH 
    • Measure the resistance between the four-wheel drive switch C284 pin 4, circuit 57 (BK), harness side and ground.
      Fig 4: Checking For Ground At Four-Wheel Drive Switch
      G03277013Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. Yes  : INSTALL a new four-wheel drive switch. TEST the system for normal operation.
    2. No  : REPAIR the circuit. TEST the system for normal operation.
  6. E6 CHECK FOR POWER TO THE FOG LAMP SWITCH ILLUMINATION CIRCUIT 
    • Disconnect: Fog Lamp Switch C240.
    • Place the headlamp switch in the PARK position.
    • Rotate the instrument panel dimmer switch to the full illumination position.
    • Measure the voltage between the fog lamp switch C240 pin 5, circuit 19 (LB/RD), harness side and ground.
      Fig 5: Checking For Power To Fog Lamp Switch Illumination Circuit
      G03277014Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    1. Yes  : GO to E7.
    2. No  : REPAIR the circuit. TEST the system for normal operation.
  7. E7 CHECK FOR GROUND AT THE FOG LAMP SWITCH ILLUMINATION CIRCUIT 
    • Measure the resistance between the fog lamp switch C240 pin 4, circuit 57 (BK), harness side and ground.
      Fig 6: Checking For Ground At Fog Lamp Switch Illumination Circuit
      G03277015Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. Yes  : INSTALL a new fog lamp switch. REFER to EXTERIOR LIGHTING . TEST the system for normal operation.
    2. No  : REPAIR the circuit. TEST the system for normal operation.
  8. E8 CHECK THE SPEED CONTROL ACTUATOR SWITCH ILLUMINATION 
    • Place the headlamp switch in the PARK position.
    • Rotate the instrument panel dimmer switch to the full illumination position.
    • Observe both speed control actuator switches.
    • Are both speed control actuator switches illumination inoperative? 
    1. Yes  : GO to E9.
    2. No  : INSTALL new speed control actuator switches. REFER to SPEED CONTROL . TEST the system for normal operation.
  9. E9 CHECK FOR POWER TO THE SPEED CONTROL SWITCHES 
    • Remove the driver side air bag. REFER to AIR BAG RESTRAINT SYSTEMS .
    • Place the headlamp switch in the OFF position.
    • Connect: Restraint System Diagnostic Tool 418-F088 (105-R0012) to the Driver Air Bag Module Electrical Connectors.
    • Connect the battery. Refer to BATTERY, MOUNTING AND CABLES .
    • Disconnect: Upper Clockspring Connector.
    • Place the headlamp switch in the PARK position.
    • Measure the voltage between the upper clockspring connector terminal 2 and ground.
      Fig 7: Checking For Power To Speed Control Switches
      G03277016Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    1. Yes  : GO to E10.
    2. No  : GO to  E12.
  10. E10 CHECK GROUND CIRCUIT 
    • Measure the resistance between upper clockspring terminal 5 and steering column ground.
      Fig 8: Checking Ground Circuit
      G03277017Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms ? 
    1. Yes  : INSTALL a speed control switch. REFER to SPEED CONTROL . TEST the system for normal operation. DISCONNECT the battery. REFER to BATTERY, MOUNTING AND CABLES . INSTALL the air bag. REFER to AIR BAG RESTRAINT SYSTEMS .
    2. No  : GO to E11.
  11. E11 CHECK FOR GROUND TO THE CLOCKSPRING 
    • Disconnect: Clockspring C218a.
    • Measure the resistance between the clockspring C218a pin 5, circuit 570 (BK/WH), harness side and ground.
      Fig 9: Checking For Ground To Clockspring
      G03277018Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. Yes  : GO to  E13.
    2. No  : REPAIR the circuit. TEST the system for normal operation. DISCONNECT the battery. REFER to BATTERY, MOUNTING AND CABLES . INSTALL the air bag. REFER to AIR BAG RESTRAINT SYSTEMS .
  12. E12 CHECK FOR POWER TO THE CLOCKSPRING 
    • Measure the voltage between clockspring C218a pin 5, circuit 19 (LB/RD), harness side and ground.
      Fig 10: Checking For Power To Clockspring
      G03277019Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    1. Yes  : INSTALL a new clockspring. REFER to AIR BAG RESTRAINT SYSTEMS . TEST the system for normal operation. DISCONNECT the battery. REFER to BATTERY, MOUNTING AND CABLES . INSTALL the air bag. REFER to AIR BAG RESTRAINT SYSTEMS .
    2. No  : REPAIR the circuit. TEST the system for normal operation. DISCONNECT the battery. REFER to BATTERY, MOUNTING AND CABLES . INSTALL the air bag. REFER to AIR BAG RESTRAINT SYSTEMS .
  13. E13 CHECK STEERING WHEEL CONTROL SWITCH HARNESS 
    • Inspect the steering wheel control switch harness for shorts, opens or any damage.
    • Is the steering wheel control switch harness OK? 
    1. Yes  : INSTALL a new steering wheel control switch(es). TEST the system for normal operation. DISCONNECT the battery. REFER to BATTERY, MOUNTING AND CABLES . INSTALL the air bag. REFER to AIR BAG RESTRAINT SYSTEMS .
    2. No  : INSTALL a new steering wheel control switch harness. TEST the system for normal operation. DISCONNECT the battery. REFER to BATTERY, MOUNTING AND CABLES . INSTALL the air bag. REFER to BATTERY, MOUNTING AND CABLES .
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