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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 114 (Antilock Brake System/Electronic Stability Control System Diagnosis (HEV)) >> DTC C1378: Brake Pedal Travel Sensor - Electrical >> Scantool Diagnostics >> Monitor GDS Data

Monitor GDS Data

WARNING: This page is about a different variant/trim than selected.
  1. Connect GDS to Data Link Connector (DLC).
  2. ENG "ON".
  3. Monitor the "PDT Value", "PDF Value" parameter on the GDS betweeen No Braking & Full Braking

    Specification:  PDT stroke is similar to PDF stroke

    The stroke should increase as pressing brake pedal and should decrease as depressing brake pedal.

    Fig 1: Screen Display - Current Data
    G10602715Courtesy of HYUNDAI MOTOR AMERICA
  4. Do PDT and PDF show normal relationship and normal operation?

    YES 

    • Fault is intermittent caused by poor connection in Brake Pedal Travel sensor and/or AHB's connector or was repaired and AHB memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

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