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Home >> Hyundai >> 2005 >> Tucson GLS, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System >> DTC Troubleshooting Procedure >> DTC P0703 Stop Lamp Switch Circuit >> Monitor Scan Tool Data

Monitor Scan Tool Data

  1. Connect scan tool to data link connector (DLC).
  2. Ignition "ON" & Engine "OFF".
  3. Monitor the "BRAKE LAMP SWITCH" parameter on the scan tool.
  4. Depress and release Foot Brake.
    Fig 1: Scan Tool Display - Brake Lamp Switch
    G03763365Courtesy of HYUNDAI MOTOR CO.
  5. Does "STOP LAMP SWITCH" follow the reference data?

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or TCM (PCM)'s connector or was repaired and TCM (PCM) memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Repair or replace as necessary and refer to VERIFICATION OF VEHICLE REPAIR .

    NO 

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