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Home >> Mercury >> 2010 >> Milan Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 942 (Instrument Cluster System) >> Diagnostic Tests >> Instrument Cluster >> Pinpoint Tests >> Pinpoint Test G: The Anti-Lock Brake System (ABS) Warning Indicator Is Never/Always On >> Pinpoint Test G: The Anti-Lock Brake System (Abs) Warning Indicator Is Never/Always On

Pinpoint Test G: The Anti-Lock Brake System (Abs) Warning Indicator Is Never/Always On

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
  1. G1 RETRIEVE THE RECORDED DTCs FROM BOTH CONTINUOUS AND ON-DEMAND ABS MODULE SELF-TESTS 
    • Check the recorded ABS module DTCs from the continuous and on-demand self-tests.
    • Are any ABS DTCs recorded? 
    1. YES  : REFER to VEHICLE DYNAMIC SYSTEMS article.
    2. NO  : Go to  G2.
  2. G2 CARRY OUT THE INSTRUMENT CLUSTER WARNING LAMPS AND CHIME ACTIVE COMMAND USING THE SCAN TOOL 
    • Key in ON position.
    • Enter the following diagnostic mode on the diagnostic tool: Instrument Cluster Active Command
    • Select the instrument cluster indicator lamp control active command. Select the ALL_LAMP active command on and off. Observe the ABS warning indicator.
    • Does the ABS warning indicator illuminate when selected on, and turn off when selected off? 
    1. YES  : Go to  G4.
    2. NO  : Go to  G3.
  3. G3 CHECK FOR CORRECT INSTRUMENT CLUSTER OPERATION 
    • Disconnect the instrument cluster connector.
    • Check for:
      • corrosion
      • damaged pins
      • pushed-out pins
    • Connect the instrument cluster connector and make sure it seats correctly.
    • Operate the system and determine if the concern is still present.
    • Is the concern still present? 
    1. YES  : INSTALL a new instrument cluster. REFER to Instrument Cluster . TEST the system for normal operation.
    2. NO  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
  4. G4 CHECK FOR CORRECT ABS MODULE OPERATION 
    • Disconnect the ABS module connector.
    • Check for:
      • corrosion
      • damaged pins
      • pushed-out pins
    • Connect the ABS module connector and make sure it seats correctly.
    • Operate the system and determine if the concern is still present.
    • Is the concern still present? 
    1. YES  : INSTALL a ABS module. REFER to VEHICLE DYNAMIC SYSTEMS article. TEST the system for normal operation.
    2. NO  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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