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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 947 (Warning System) >> Diagnostic Tests >> Warning Devices >> Pinpoint Tests >> Pinpoint Test C: The Turn Signal Left On Warning Chime Is Inoperative >> Pinpoint Test C: The Turn Signal Left On Warning Chime Is Inoperative

Pinpoint Test C: The Turn Signal Left On Warning Chime Is Inoperative

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. C1 CHECK THE TURN SIGNAL LAMP OPERATION 
    • Key in ON position.
    • Verify the turn signal operation.
    • Do the turn signals operate correctly? 
    1. YES  : Go to  C2.
    2. NO  : REFER to EXTERIOR LIGHTING article to continue diagnosis of the turn signals.
  2. C2 CHECK THE SPEEDOMETER/ODOMETER FOR CORRECT OPERATION 
    • Drive the vehicle and observe the speedometer/odometer for correct operation.
    • Does the speedometer/odometer operate correctly? 
    1. YES  : Go to  C3.
    2. NO  : REFER to INSTRUMENT CLUSTER article to continue diagnosis of the speedometer/odometer.
  3. C3 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 verify the concern is still present.
    • Is the concern still present? 
    1. YES  : INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER 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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