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Home >> Ford >> 2013 >> Fusion Titanium, FWD >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Anti-Lock Brake System And Stability Control (Except Hybrid) >> Diagnosis and Testing >> Anti-Lock Brake System (ABS) and Stability Control >> Pinpoint Tests >> Pinpoint Test A: U3003:16, U3003:1C, U300A:29 >> U3003:16, U3003:1C, U300A:29

U3003:16, U3003:1C, U300A:29

  1. A1 RECHECK THE ABS (ANTI-LOCK BRAKE SYSTEM) MODULE DIAGNOSTIC TROUBLE CODES (DTCS) 
    • Using a diagnostic scan tool, clear the ABS  module Diagnostic Trouble Codes (DTCs).
    • Ignition OFF.
    • Ignition ON.
    • Using a diagnostic scan tool, carry out the ABS  module self-test.

    Is DTC U3003:16, U3003:1C or U300A:29 still present? 

    1. Yes  : GO to A2 
    2. No  : The system is operating correctly at this time. The DTC  may have set due to a previous low battery voltage condition.
  2. A2 CHECK FOR CHARGING SYSTEM DIAGNOSTIC TROUBLE CODES (DTCS) IN THE POWERTRAIN CONTROL MODULE (PCM) 
    • Using a diagnostic scan tool, retrieve all Continuous Memory Diagnostic Trouble Codes (CMDTCs).

    Is DTC B1317, B1318, B1676, U3003:16 or U3003:17 present in one or more modules AND are any charging system Diagnostic Trouble Codes (DTCs) present in the PCM ? 

    1. Yes  : DIAGNOSE the vehicle charging concern,

      REFER to: CHARGING SYSTEM .

    2. No  : GO to A3 
  3. A3 CHECK THE BATTERY CONDITION AND STATE OF CHARGE 
    • Carry out the Battery Condition Test.

      REFER to: BATTERY .

    Did the battery pass the condition test? 

    1. Yes  : If the battery passed the condition test but required a recharge, DIAGNOSE the charging system.

      REFER to: CHARGING SYSTEM .

      If the battery passed the condition test and did not require a recharge, GO to A4 

    2. No  : INSTALL a new battery.

      REFER to: BATTERY .

  4. A4 CHECK THE ABS (ANTI-LOCK BRAKE SYSTEM) MODULE VOLTAGE (VPWR_ABS) PARAMETER IDENTIFICATION (PID) 
    • Ignition ON.
    • Measure and record the voltage at the battery.
    • Using a diagnostic scan tool, monitor the VPWR_ABS  Parameter Identification (PID).

    Is the Parameter Identification (PID) display within 0.2 volt of the recorded battery voltage? 

    1. Yes  : GO to  A7
    2. No  : GO to A5 
  5. A5 CHECK THE ANTI-LOCK BRAKE SYSTEM (ABS) MODULE VOLTAGE SUPPLY 
    • Ignition OFF.
    • Disconnect ABS  module C135  .
    • Ignition ON.
    • Measure:
      Positive Lead Measurement/Action Negative Lead
      C135-1  VOLTAGE Ground
      C135-30  VOLTAGE Ground
      C135-35  VOLTAGE Ground

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

    1. Yes  : GO to A6 
    2. No  : VERIFY BJB  fuses 25 (10A), 69 (30A) and 82 (60A) are OK.

      If OK, REPAIR the affected circuit for high resistance or an open.

      If not OK, REFER to the OEM ELECTRICAL WIRING DIAGRAM INTRODUCTION -- (EXCEPT HYBRID) to identify the cause of the circuit short.

  6. A6 CHECK THE ABS (ANTI-LOCK BRAKE SYSTEM) MODULE GROUND CIRCUIT FOR AN OPEN 
    • Ignition OFF.
    • Disconnect the battery negative cable.

      REFER to: BATTERY DISCONNECT AND CONNECT .

    • Measure:
      Positive Lead Measurement/Action Negative Lead
      C135-14  OHM Ground

    Is the resistance less than 3 ohms? 

    1. Yes  : GO to A7 
    2. No  : REPAIR the circuit.
  7. A7 CHECK FOR CORRECT ABS (ANTI-LOCK BRAKE SYSTEM) MODULE OPERATION 
    • Ignition OFF.
    • Disconnect and inspect ABS  module C135  (if not previously disconnected).
    • Repair:

      corrosion (install new connector or terminal - clean module pins)

      damaged or bent pins - install new terminals or pins

      pushed-out pins - install new pins as necessary

    • Connect ABS  module C135  . Make sure it seats and latches correctly.
    • Operate the system and determine if the concern is still present.

    Is the concern still present? 

    1. 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 ABS  module and HCU  assembly.

      REFER to: HYDRAULIC CONTROL UNIT (HCU)  .

    2. 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.
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