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Home >> Ford >> 2017 >> Fusion Titanium, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 306 (Parking Brake System - Parking Brake And Actuation - Vehicles With: Electronic Parking Brake (EPB)) >> Diagnosis And Testing >> Parking Brake >> Pinpoint Tests >> Pinpoint Test J : U0151:87 >> Pinpoint Test J : U0151:87

Pinpoint Test J : U0151:87

WARNING: This page is about a different car, the 2016 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

  1. J1 CHECK THE COMMUNICATION NETWORK

    • Ignition ON.
    • Using the diagnostic scan tool, carry out the Network Test.

    Does the RCM pass the Network Test? 

    Yes  GO to  J2
    No  DIAGNOSE the no communication with the RCM. Refer to: Communications Network .

  2. J2 CHECK THE EPB (ELECTRIC PARKING BRAKE) MODULE CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

    • Using a diagnostic scan tool, carry out the EPB module self-test.
    • Clear the Diagnostic Trouble Codes (DTCs).
    • Ignition OFF.
    • Ignition ON.
    • Repeat the EPB module self-test.
    • Retrieve and record all EPB module Diagnostic Trouble Codes (DTCs).

    Is DTC U0151:87 retrieved again? 

    Yes  GO to  J3
    No  The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

  3. J3 REVIEW THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE EPB (ELECTRIC PARKING BRAKE) SELF-TEST

    • Review the recorded Diagnostic Trouble Codes (DTCs) from the EPB module self-test.

    Is DTC U3003:16 or U3003:17 present in the EPB module? 

    Yes  For DTC U3003:16, GO to Pinpoint Test A  For DTC U3003:17, GO to Pinpoint Test C 
    No  GO to  J4

  4. J4 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS) IN THE RCM (RESTRAINTS CONTROL MODULE)

    • Using a diagnostic scan tool, carry out the RCM self-test.

    Are any Diagnostic Trouble Codes (DTCs) present in the RCM? 

    Yes  DIAGNOSE the RCM Diagnostic Trouble Codes (DTCs). Refer to: Airbag Supplemental Restraint System (SRS) .
    No  GO to  J5

  5. J5 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0151:XX SET IN OTHER MODULES

    • Using the diagnostic scan tool, carry out the self-test for all modules.
    • Retrieve and record the Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.

    Is DTC U0151:xx set in 1 or more modules other than the EPB module? 

    Yes  GO to  J6
    No  GO to  J7

  6. J6 CHECK FOR CORRECT RCM (RESTRAINTS CONTROL MODULE) OPERATION

    WARNING: Turn the ignition OFF and wait one minute to deplete the backup power supply. Failure to follow this instruction may result in serious personal injury or death in the event of an accidental deployment.

    • Ignition OFF.
    • Wait one minute then disconnect RCM C310A and C310B .
    • Disconnect all related in-line electrical connectors between the RCM and the EPB module.
    • Using a good light source, inspect all disconnected electrical connectors for the following:
      • corrosion - install new connector or terminal and clean the module pins
      • damaged or bent pins - install new terminals or pins
      • pushed-out pins - install new pins as necessary
      • spread terminals - install new terminals as necessary
    • Connect all related in-line electrical connectors between the RCM and the EPB module. Make sure they seat and latch correctly.
    • Connect RCM C310A and C310B . 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, INSTALL a new RCM. Refer to: Restraints Control Module (RCM) .
    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.

  7. J7 CHECK FOR CORRECT EPB (ELECTRIC PARKING BRAKE) MODULE OPERATION

    • Ignition OFF.
    • Disconnect EPB module C3675 .
    • Disconnect all related in-line electrical connectors between the EPB module and the RCM.
    • Using a good light source, inspect all disconnected electrical connectors for the following:
      • corrosion - install new connector or terminal and clean the module pins
      • damaged or bent pins - install new terminals or pins
      • pushed-out pins - install new pins as necessary
      • spread terminals - install new terminals as necessary
    • Connect all related in-line electrical connectors between the EPB module and the RCM. Make sure they seat and latch correctly.
    • Connect EPB module C3675 . 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, INSTALL a new EPB module. Refer to: Parking Brake Module .
    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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