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Home >> Mercury >> 2005 >> Montego Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Cluster And Panel Illumination >> Diagnosis And Testing >> Instrument Cluster and Panel Illumination >> Pinpoint Test >> Pinpoint Test A: The Control Illumination Is Inoperative >> Testing

Pinpoint Test A: The Control Illumination Is Inoperative: Testing

  1. A1 CHECK THE EXTERIOR LAMP OPERATION 
    • Place the headlamp switch in the parking lamps on position.
    • Are the parking lamps illuminated? 
    • Yes  : GO to A2.
    • No  : REFER to EXTERIOR LIGHTING to continue diagnosis of the parking lamps.
  2. A2 CHECK FOR CORRECT SJB OPERATION 
    • Disconnect all the SJB connectors.
    • Check for:
      • corrosion
      • pushed-out pins
    • Connect all the SJB 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 SJB. REFER to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation.
    • 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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