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Home >> Kia >> 2012 >> Sedona LX >> Repair and Diagnosis >> Electrical >> Gauges >> Body Control - Instrument Panel Module Diagnosis >> DTC B1590: Light MF Switch Error >> Inspection/Repair >> Component Inspection >> Check Multifunction Switch
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Check Multifunction Switch

  1. Connect scantool to Data Link Connector (DLC).
  2. Ignition "ON" & engine "OFF".
  3. Check combination of wiper signal while operating light switch.
    1. Specification : headlamp low → low beam 'ON' & High beam 'OFF' headlamp high → low beam 'OFF' & High beam 'ON'.
      Fig 1: Scantool Display - Headlamp Data
      G07390741Courtesy of KIA MOTORS AMERICA, INC.
  4. Is the measured current data within specifications?

    YES

    1. Go to CHECK IPM  procedure.

    NO

    1. Substitute with a known-good multifunction switch and check for proper operation. If the problem is corrected, replace multifunction switch and then go to VERIFICATION OF VEHICLE REPAIR  procedure.