LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2018 >> Fusion Platinum, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Parking Aid System - Vehicles With: Active Park Assist -- Fusion (Except Hybrid) >> Diagnosis And Testing >> Parking Aid >> Pinpoint Test(s) >> Pinpoint Test A : DTC (Diagnostic Trouble Code) B129C:12, DTC (Diagnostic Trouble Code) B129D:12 >> Pinpoint Test A : DTC (Diagnostic Trouble Code) B129C:12, DTC (Diagnostic Trouble Code) B129D:12

Pinpoint Test A : DTC (Diagnostic Trouble Code) B129C:12, DTC (Diagnostic Trouble Code) B129D:12

  1. A1 CHECK THE DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE PAM (PARKING ASSIST CONTROL MODULE) SELF-TEST

    • Ignition ON.
    • Using a diagnostic scan tool, perform the PAM self-test.
    • Check the PAM Diagnostic Trouble Codes (DTCs) from the self-test.

    Are multiple front parking aid sensor Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  GO to  A2
    No 
    • For DTC B129C:12 or DTC B129D:12, GO to  A3
    • For all other PAM Diagnostic Trouble Codes (DTCs), REFER to PAM DTC Chart .

  2. A2 CHECK THE FRONT BUMPER WIRING HARNESS

    • Inspect the front bumper wiring harness for opens, shorts, grounds or corrosion.

    Is the front bumper wiring harness OK? 

    Yes  GO to  A3
    No  REPAIR or INSTALL a new front bumper wiring harness.

  3. A3 CHECK THE SENSOR SIGNAL RETURN CIRCUIT FOR A SHORT TO VOLTAGE

    • Ignition OFF.
    • Disconnect suspect front active park assist sensor(s) C1607 (DTC B129C:12) or C1608 (DTC B129D:12).
    • Disconnect BCM C2280C .
    • Ignition ON.
    • Measure:

      DTC B129C:12 

      Positive Lead Measurement / Action Negative Lead
      C1607-2
      GFD190360Courtesy of FORD MOTOR COMPANY
      		 Ground

      DTC B129D:12 

      Positive Lead Measurement / Action Negative Lead
      C1608-2
      GFD190360Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present? 

    Yes  REPAIR the circuit.
    No  GO to  A4

  4. A4 CHECK THE SENSOR VOLTAGE SUPPLY AND SIGNAL RETURN CIRCUITS FOR A SHORT TOGETHER

    • Ignition OFF.
    • Measure:

      DTC B129C:12 

      Positive Lead Measurement / Action Negative Lead
      C1607-2
      GFD190359Courtesy of FORD MOTOR COMPANY
      		 C1607-1

      DTC B129D:12 

      Positive Lead Measurement / Action Negative Lead
      C1608-2
      GFD190359Courtesy of FORD MOTOR COMPANY
      		 C1608-1

    Is the resistance greater than 10, 000 ohms? 

    Yes  GO to  A5
    No  REPAIR the affected circuits.

  5. A5 CHECK THE FRONT ACTIVE PARK ASSIST SENSOR

    • Connect BCM C2280C .
    • Ignition ON.
    • Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs) and repeat the self-test.

    Is DTC B129C:12 or DTC B129D:12 still present? 

    Yes  GO to  A6
    No  INSTALL a new front active park assist sensor for the one in question. REFER to: Front Active Park Assist Sensors .

  6. A6 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

    • Ignition OFF.
    • Disconnect and inspect all BCM connectors and related in-line 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 and related in-line 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 the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, BCM Hardware Testing -- Fusion (Except Hybrid)
    No  The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
scientia non olet · About LEMON Manuals