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Pinpoint Test R : U3006:1C

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  1. R1 CHECK FOR CHARGING SYSTEM DIAGNOSTIC TROUBLE CODES (DTCS) IN THE BCM (BODY CONTROL MODULE)

    • Using a diagnostic scan tool, perform the BCM self-test.

    Are any charging system Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to the BCM DTC Chart .
    No  GO to  R2

  2. R2 CHECK FOR CHARGING SYSTEM DIAGNOSTIC TROUBLE CODES (DTCS) SET IN OTHER MODULES

    • Ignition ON.
    • Using a diagnostic scan tool, retrieve all Diagnostic Trouble Codes (DTCs).

    Are any charging system Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  DIAGNOSE the charging system concern. REFER to: Charging System - 2.7L EcoBoost (238kW/324PS) . REFER to: Charging System - 3.5L Duratec (209kW/284PS)/3.5L EcoBoost (272kW/370PS)/5.0L 32V Ti-VCT .
    No  GO to  R3

  3. R3 CHECK THE BATTERY VOLTAGE

    • Turn off all interior/exterior lights and accessories.
    • Start and run the engine at approximately 2, 000 RPM for 3 minutes while monitoring the battery voltage.
      Positive Lead Measurement / Action Negative Lead
      GFD41092Courtesy of FORD MOTOR COMPANY
      GFD38392Courtesy of FORD MOTOR COMPANY
      GFD42311Courtesy of FORD MOTOR COMPANY

    Does the battery voltage rise to 16 volts or higher? 

    Yes  DIAGNOSE the over-charging system concern. REFER to: Charging System - 2.7L EcoBoost (238kW/324PS) . REFER to: Charging System - 3.5L Duratec (209kW/284PS)/3.5L EcoBoost (272kW/370PS)/5.0L 32V Ti-VCT .
    No  GO to  R4

  4. R4 RECHECK THE BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Ignition OFF.
    • Ignition ON.
    • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).
    • Wait 10 seconds.
    • Using a diagnostic scan tool, check the BCM Diagnostic Trouble Codes (DTCs).

    Is DTC U3006:1C present? 

    Yes  GO to  R5
    No  The system is operating correctly at this time. The DTC may have been caused by module connections or may have been set previously during battery charging or while jump starting the vehicle. ADDRESS the root cause of any connector or pin issues.

  5. R5 CHECK THE BATTERY CONDITION AND STATE OF CHARGE

    • Check the battery condition and verify the battery is fully charged. REFER to: Battery .

    Is the battery OK and fully charged? 

    Yes  GO to  R6
    No  If the battery is discharged, DIAGNOSE the cause of the low battery condition. REFER to: Charging System - 2.7L EcoBoost (238kW/324PS) . REFER to: Charging System - 3.5L Duratec (209kW/284PS)/3.5L EcoBoost (272kW/370PS)/5.0L 32V Ti-VCT . If the battery condition fails, INSTALL a new battery. REFER to: Battery .

  6. R6 COMPARE THE BCM (BODY CONTROL MODULE) BATTERY VOLTAGE (V_BATT_BCM) PID (PARAMETER IDENTIFICATION) WITH THE ACTUAL BATTERY VOLTAGE

    • Start the engine.
    • Turn on accessories (climate control blower on high speed, exterior lights).
    • With the engine running at idle, measure and record battery voltage:
      Positive Lead Measurement / Action Negative Lead
      GFD38392Courtesy of FORD MOTOR COMPANY
    • Using a diagnostic scan tool, view the BCM PID V_BATT_BCM.

    Is the recorded battery voltage within 0.2 volt of the PID? 

    Yes  TURN the engine off, GO to  R9
    No  GO to  R7

  7. R7 CHECK THE BCM (BODY CONTROL MODULE) VOLTAGE SUPPLY CIRCUIT

    • Ignition OFF.
    • Ignition ON.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C2280G-17
      GFD38392Courtesy of FORD MOTOR COMPANY
      		 Ground
      C2280G-21
      GFD38392Courtesy of FORD MOTOR COMPANY
      		 Ground
      C2280G-22
      GFD38392Courtesy of FORD MOTOR COMPANY
      		 Ground
      Positive Lead Measurement / Action Negative Lead
      C2280H-1
      GFD38392Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the voltage within 0.2 volt of the recorded battery voltage? 

    Yes  GO to  R8
    No  REPAIR the circuit for high resistance.

  8. R8 CHECK THE BCM (BODY CONTROL MODULE) PROCESSOR GROUNDS

    • Ignition OFF.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C2280C-6
      GFD38391Courtesy of FORD MOTOR COMPANY
      		 Ground
      C2280C-10
      GFD38391Courtesy of FORD MOTOR COMPANY
      		 Ground

    Are the resistances less than 3 ohms? 

    Yes  GO to  R9
    No  REPAIR the circuit in question for high resistance.

  9. R9 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

    • Disconnect and inspect all BCM connectors.
    • Repair:
      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary
    • Reconnect the BCM connectors. Make sure they seat and latch correctly.
    • Operate the system and determine if the concern is still present.

    Is the concern still present? 

    Yes  CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, Refer to BCM Hardware Testing .
    No  The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
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