Pinpoint Test H: The Yellow Anti-Lock Brake System (Abs) Warning Indicator Is Always On

2005 Ford Taurus SEL, 4D SedanSECTION Pinpoint Test H: The Yellow Anti-Lock Brake System (Abs) Warning Indicator Is Always On
  1. H1 CHECK FOR DTCs 
    • Key in OFF position.
    • Connect the diagnostic tool.
    • Key in ON position. Retrieve the ABS module DTCs.
    • Any DTCs present? 
  2. H2 CARRY OUT THE INSTRUMENT CLUSTER ABS WARNING INDICATOR ACTIVE COMMAND 
    • Enter the following diagnostic mode on the diagnostic tool: Instrument Cluster Active Command.
    • Select the instrument cluster INDICATOR LAMP CONTROL active command.
    • Command all warning lamps ON then OFF.
    • Does the yellow ABS warning indicator continue to illuminate? 
    • Yes  : GO to  H3.
    • No  : GO to  H4.
  3. H3 CHECK FOR CORRECT INSTRUMENT CLUSTER MODULE OPERATION 
    • Disconnect all instrument cluster connectors.
    • Check for:
      • corrosion
      • pushed-out pins
    • Connect all instrument cluster connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    • Yes  : INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation.
    • No  : The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. CLEAR the DTCs. TURN the ignition switch from OFF to ON. REPEAT the ABS self-test. If any DTCs are retrieved, REFER to the ANTI-LOCK BRAKE SYSTEM (ABS) MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX . If no DTCs are retrieved, CARRY OUT a drive test above 15 km/h (9 mph), then REFER to the SYMPTOM CHART .
  4. H4 CHECK FOR CORRECT ABS MODULE OPERATION 
    • Disconnect all ABS connectors.
    • Check for:
      • corrosion
      • pushed-out pins
    • Connect all ABS connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
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