LEMON Manuals: Even more car manuals for everyone
Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Auto Headlamp Leveling System Diagnosis (Except HEV) >> DTC C1522: Headlamp Switch Signal Line Open >> DTC Inspection >> Monitor GDS Data

Monitor GDS Data

  1. Connect GDS with Diagnostic Connector.
  2. Engine "ON" and Turn on the auto head light system.
  3. Monitor "Head Lamp Status" parameter in "Current Data" menu on GDS.

    Specification:  It should be displayed ON when head lamp is ON.

    Fig 1: Scantool Display - Engine "ON"
    G10568174Courtesy of HYUNDAI MOTOR AMERICA
  4. Is current data within specification?

    YES 

    • Fault is intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and AHLDM memory is not cleared yet. Thoroughly check all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration and/or damage.
    • Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO