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HOMESERVICE MANUALSFORD2021TRANSIT-350 HD BASE, VAN CARGO EXTENDED, 3.5L ENG VIN 8, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 604 (LANE KEEPING SYSTEM)DIAGNOSIS AND TESTINGLANE KEEPING SYSTEMPINPOINT TESTSPINPOINT TEST AY: U3003:A2
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWD

Pinpoint Test AY: U3003:A2

2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWDSECTION Pinpoint Test AY: U3003:A2
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
  1. Normal Operation and Fault Conditions 

    REFER to: Lane Keeping System - System Operation and Component Description . The IPMA module are supplied voltage at all times. The module monitors this voltage and sets a DTC if it falls below a threshold.

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    IPMA U3003:A2 Battery Voltage: System Voltage Low This continuous memory DTC sets in the IPMA when the IPMA detects the voltage supply circuit has fallen below a set threshold.

    Possible Sources 

    • Possible Sources
    • High resistance
    • Charging system concern
    • IPMA

  2. AY1 RECHECK THE IPMA (IMAGE PROCESSING MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Ignition ON.

    • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and then repeat the IPMA module self-test.

    Is DTC U3003:A2 still present? 

    Yes  GO to  AY2
    No  The system is operating normally at this time. The DTC may have been set due to a previous low battery voltage condition.

  3. AY2 CHECK FOR CHARGING SYSTEM DIAGNOSTIC TROUBLE CODES (DTCS) SET IN OTHER MODULES

    • Using a diagnostic scan tool, retrieve the Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.

    Is any other battery or charging system related DTC set in other modules? 

    Yes  DIAGNOSE the charging system concern. REFER to: Charging System - 2.7L EcoBoost (238kW/324PS)/3.5L EcoBoost (BM) . REFER to: Charging System - 3.3L Duratec-V6/5.0L 32V Ti-VCT . REFER to: Charging System - 3.0L Power Stroke Diesel .
    No  GO to  AY3

  4. AY3 CHECK THE BATTERY CONDITION AND STATE OF CHARGE

    • Ignition OFF.

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

    Is the battery OK and fully charged? 

    Yes  GO to  AY4
    No  DIAGNOSE the battery. REFER to: Battery .

  5. AY4 CHECK THE IPMA (IMAGE PROCESSING MODULE A) CIRCUIT FOR A SHORT TO VOLTAGE

    • Ignition OFF.

    • Disconnect the IPMA connector C242A.

    • Ignition ON.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C242A-1
      GFD560558Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present? 

    Yes  REPAIR the circuit in question.
    No  GO to  AY5

  6. AY5 CHECK THE IPMA (IMAGE PROCESSING MODULE A) CIRCUIT FOR A SHORT TO GROUND

    • Ignition OFF.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C242A-1
      GFD560559Courtesy of FORD MOTOR COMPANY
      		 Ground

    Are the resistances greater than 10, 000 ohms? 

    Yes  GO to  AY7
    No  REPAIR the circuit.

  7. AY6 CHECK THE IPMA (IMAGE PROCESSING MODULE A) CIRCUIT FOR AN OPEN

    • Ignition OFF.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C242A-1
      GFD560559Courtesy of FORD MOTOR COMPANY
      		 C242A-13

    Are the resistances less than 3 ohms? 

    Yes  GO to  AY7
    No  REPAIR the circuit in question.

  8. AY7 CHECK FOR IPMA (IMAGE PROCESSING MODULE A) OPERATION

    • Disconnect and inspect the IPMA connector.

    • Repair:

      • corrosion (install new connectors or terminals - clean module pins)
      • damaged or bent pins - install new terminals pins
      • pushed-out pins - install new pins as necessary

    • Reconnect the IPMA connectors and make sure it seats and latches correctly.

    • Operate the system and determine if the concern is still present.

    Is the concern still present? 

    Yes  Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new IPMA. REFER to: Image Processing Module A (IPMA) .
    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.
RENDER: 1.0x

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