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Home >> Ford >> 2003 >> Cutaway 7.3 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 2499 (Steering Column Switches -- F250-F550 Super Duty) >> Diagnosis And Testing >> Steering Column Switches >> Pinpoint Tests >> Pinpoint Test C: No Power in RUN >> Pinpoint Test C: No Power In Run

Pinpoint Test C: No Power In Run

WARNING: This page is about a different car, the 2010 Ford Pickup, 2010 Ford F550 Super Duty, 2010 Ford F450 Super Duty, and 2010 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Use the Flex Probe Kit for all test connections to prevent damage to the wiring terminals. Do not use standard multi-meter probes.
  1. C1 CHECK THE IGNITION SWITCH 
    • Yes:  GO to C2  .
    • No:  INSTALL a new ignition switch. REFER to IGNITION SWITCH . TEST the system for normal operation.
  2. C2 CHECK VEHICLE EQUIPMENT 
    • Verify that the vehicle is equipped with a CDIM  .
    • Is the vehicle equipped with a CDIM ? 
    • Yes:  GO to C3  .
    • No:  GO to C6  .
  3. C3 ISOLATE THE CDIM 
    • Disconnect: CDIM  C2500.
    • Connect a fused jumper wire between:
      • CDIM  C2500-1, circuit CDC63 (YE/OG), harness side and CDIM  C2500-8, circuit CDC32 (BN/YE), harness side.
      • CDIM  C2500-7, circuit SBP27 (BU/RD), harness side and CDIM  C2500-14, circuit CDC62 (WH/VT), harness side.
      Fig 1: Connecting Fused Jumper Wire Between CDIM C2500-1 And CDIM C2500-8
      G06762827Courtesy of FORD MOTOR CO.
    • Check for power with the ignition switch in the RUN position:
      • Turn the ignition switch to the RUN position and operate the radio, windshield wipers or blower motor.
    • Is power present with the ignition switch in the RUN position? 
    • Yes:  GO to C4  .
    • No:  GO to C5  .
  4. C4 CHECK THE CDIM GROUND CIRCUIT GD133 (BK) FOR AN OPEN 
    • Ignition OFF.
    • Measure the resistance between CDIM  C2500-11, circuit GD133 (BK), harness side and ground.
      Fig 2: Measuring Resistance Between CDIM C2500-11 And Ground
      G06762828Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes:  GO to C5  .
    • No:  REPAIR circuit GD133 (BK). TEST the system for normal operation.
  5. C5 CHECK THE IGNITION AND CDIM RUN CIRCUITS FOR AN OPEN 
    • Disconnect: SJB  C2280A.
    • Disconnect: SJB  C2280B.
    • Disconnect: Run/Start Relay.
    • Measure the resistance between ignition switch C250-7, circuit CDC63 (YE/OG), harness side and CDIM  C2500-1, circuit CDC63 (YE/OG), harness side.
      Fig 3: Measuring Resistance Between Ignition Switch C250-7 And CDIM C2500-1
      G06762844Courtesy of FORD MOTOR CO.
    • Measure the resistance between CDIM  C2500-8, circuit CDC32 (BN/YE), harness side and SJB  C2280A-4, circuit CDC32 (BN/YE), harness side.
      Fig 4: Measuring Resistance Between CDIM C2500-8 And SJB C2280A-4
      G06762836Courtesy of FORD MOTOR CO.
    • Measure the resistance between ignition switch C250-5, circuit CDC33 (VT/OG), harness side and SJB  C2280A-3, circuit CDC33 (VT/OG), harness side.
      Fig 5: Measuring Resistance Between Ignition Switch C250-5 And SJB C2280A-3
      G06126033Courtesy of FORD MOTOR CO.
    • Measure the resistance between ignition switch C250-1, circuit CDC34 (WH/OG), harness side and:
      • SJB  C2280B-45, circuit CDC34 (WH/OG), harness side.
      • run/start relay cavity 85, circuit CDC34 (WH/OG), harness side.
      Fig 6: Measuring Resistance Between Ignition Switch C250-1 And SJB C2280B-45
      G06762847Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    • Yes:  GO to C7  .
    • No:  REPAIR the affected circuit (s). TEST the system for normal operation.
  6. C6 CHECK THE IGNITION RUN CIRCUITS FOR AN OPEN 
    • Disconnect: SJB  C2280A.
    • Disconnect: SJB  C2280B.
    • Disconnect: Run/Start Relay.
    • Measure the resistance between ignition switch C250-7, circuit CDC32 (BN/YE), harness side and SJB  C2280A-4, circuit CDC32 (BN/YE), harness side.
      Fig 7: Measuring Resistance Between Ignition Switch C250-7 And SJB C2280A-4
      G06762848Courtesy of FORD MOTOR CO.
    • Measure the resistance between ignition switch C250-5, circuit CDC33 (VT/GN), harness side and SJB  C2280A-3, circuit CDC33 (VT/GN), harness side.
      Fig 8: Measuring Resistance Between Ignition Switch C250-5 And SJB C2280A-3
      G06126033Courtesy of FORD MOTOR CO.
    • Measure the resistance between ignition switch C250-1, circuit CDC34 (WH/OG), harness side and:
      • SJB  C2280B-45, circuit CDC34 (WH/OG), harness side.
      • run/start relay cavity 85, circuit CDC34 (WH/OG), harness side.
      Fig 9: Measuring Resistance Between Ignition Switch C250-1 And SJB C2280B-45
      G06762850Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    • Yes:  GO to C7  .
    • No:  REPAIR the affected circuit (s). TEST the system for normal operation.
  7. C7 CHECK FOR VOLTAGE AT THE RUN/START RELAY 
    • Measure the voltage between run/start relay cavity 30 and ground.
      Fig 10: Measuring Voltage Between Run/Start Relay Cavity 30 And Ground
      G06762851Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes:  GO to C8  .
    • No:  VERIFY BJB  fuse 46 (40A) is OK. If OK, REFER to the appropriate SYSTEM WIRING DIAGRAMS article to identify the possible causes of the open circuit. REPAIR as necessary. TEST the system for normal operation.

      If not OK, REFER to the appropriate SYSTEM WIRING DIAGRAMS article to identify the possible causes of the short circuit. REPAIR as necessary. TEST the system for normal operation.

  8. C8 CHECK CIRCUIT GD113 (BK/YE) FOR AN OPEN 
    • Measure the resistance between run/start relay cavity 86, circuit GD113 (BK/YE) and ground.
      Fig 11: Measuring Resistance Between Run/Start Relay Cavity 86, Circuit GD113 (BK/YE) And Ground
      G06762852Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes:  GO to C9  .
    • No:  REPAIR circuit GD113 (BK/YE). TEST the system for normal operation.
  9. C9 CHECK THE RUN/START RELAY 
    • Yes:  GO to C10  .
    • No:  INSTALL a new run/start relay. TEST the system for normal operation.
  10. C10 CHECK THE SJB CONNECTORS 
    • Disconnect: SJB  C2280A.
    • Disconnect: SJB  C2280B.
    • Check the connectors for:
      • corrosion.
      • pushed-out pins.
      • spread terminals.
    • Connect: SJB  C2280A.
    • Connect: SJB  C2280B.
    • Make sure the connectors are seated correctly, then operate the system and verify the concern is still present.
    • Is the concern still present? 
    • Yes:  INSTALL a new SJB  . REFER to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation.
    • No:  The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.
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