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Pinpoint Test T: Testing

WARNING: This page is about a different car, the 2009 Ford RV Cutaway, 2009 Ford Econoline, 2009 Ford E450 Super Duty, and 2009 Ford Cutaway. 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. T1 VERIFY PCM CONFIGURATION 
    • Connect the scan tool.
    • Ignition ON.
    • Enter the following diagnostic mode on the scan tool: Module Reprogramming - PCM.
    • Test drive the vehicle and verify that the concern is still present.
    • Is the concern still present? 
    1. Yes:  Go to T2  .
    2. No:  The system is operating correctly at this time. The concern may have been caused by a incorrectly configured PCM.
  2. T2 VERIFY IPC CONFIGURATION 
    • Connect the scan tool.
    • Ignition ON.
    • Enter the following diagnostic mode on the scan tool: Programmable Module Installation (PMI) - IPC  .
    • Configure the IPC  using as-built data. Refer to Programmable Module Installation (PMI) Using the Integrated Diagnostic System (IDS) When the Original Module is Not Available in MODULE CONFIGURATION .
    • Test drive the vehicle and verify that the concern is still present.
    • Is the concern still present? 
    1. Yes:  Go to T3  .
    2. No:  The system is operating correctly at this time. The concern may have been caused by a incorrectly configured IPC  .
  3. T3 CHECK FOR DTCs 
    • Check for any ABS module, IPC  or PCM DTCs.
    • Are any DTCs present? 
    1. Yes:  For ABS module DTCs, REFER to the ABS MODULE DTC CHART .

      For PCM DTCs, REFER to the INTRODUCTION - GASOLINE MODELS .

      For IPC  DTCs, REFER to INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES .

    2. No:  Go to T4  .
  4. T4 CHECK THE TRACTION CONTROL SWITCH 
    • Disconnect: Traction Control Switch C280.
    • Measure the resistance between traction control switch C280 pin-1, component side, and traction control switch C280 pin-6, component side while pressing and releasing the switch.
    • Is the resistance greater than 10,000 ohms with the switch released and less than 5 ohms with the switch pressed? 
    1. Yes:  Go to T5  .
    2. No:  INSTALL a new traction control switch. TEST the system for normal operation.
  5. T5 CHECK THE TRACTION CONTROL SWITCH SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE 
    • Ignition OFF.
    • Disconnect: IPC  C220.
    • Ignition ON.
    • Measure the voltage between traction control switch C280-6, circuit CCA15 (YE/GY), harness side and ground.
      Fig 1: Measuring Voltage Between Traction Control Switch C280-6, Circuit CCA15 (YE/GY), Harness Side And Ground
      G06137064Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    1. Yes:  REPAIR circuit CCA15 (YE/GY). TEST the system for normal operation.
    2. No:  Go to T6  .
  6. T6 CHECK THE TRACTION CONTROL SWITCH SIGNAL CIRCUIT FOR A SHORT TO GROUND 
    • Ignition OFF.
    • Measure the resistance between traction control switch C280-6, circuit CCA15 (YE/GY), harness side and ground.
      Fig 2: Measuring Resistance Between Traction Control Switch C280-6, Circuit CCA15 (YE/GY), Harness Side And Ground
      G06137065Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    1. Yes:  Go to T7  .
    2. No:  REPAIR circuit CCA15 (YE/GY). TEST the system for normal operation.
  7. T7 CHECK THE TRACTION CONTROL SWITCH GROUND CIRCUIT FOR AN OPEN 
    • Ignition OFF.
    • Measure the resistance between traction control switch C280-1, circuit GD114 (BK/BU), harness side and ground.
      Fig 3: Measuring Resistance Between Traction Control Switch C280-1, Circuit GD114 (BK/BU), Harness Side And Ground
      G06137066Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. Yes:  Go to T8  .
    2. No:  REPAIR circuit GD114 (BK/BU). TEST the system for normal operation.
  8. T8 CHECK TRACTION CONTROL SWITCH SIGNAL CIRCUIT FOR AN OPEN 
    • Measure the resistance between IPC  C220-13, circuit CCA15 (YE/GY), harness side and traction control switch C280-1, circuit CCA15 (YE/GY), harness side.
      Fig 4: Measuring Resistance Between IPC C220-13, Circuit CCA15 (YE/GY) And Traction Control Switch C280-1, Circuit CCA15 (YE/GY)
      G06137067Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. Yes:  Go to T9  .
    2. No:  REPAIR circuit CCA15 (YE/GY). TEST the system for normal operation.
  9. T9 CHECK FOR CORRECT IPC OPERATION 
    • Ignition OFF.
    • Check IPC  C220 for:
      • corrosion.
      • pushed-out pins.
      • spread terminal.
    • Connect: IPC  C220.
    • Make sure the connector is seated correctly then operate the system and verify the concern is still present.
    • Is the concern still present? 
    1. Yes:  INSTALL a new IPC  . REFER to INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES . 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.
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