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Home >> Hyundai >> 2017 >> Sonata Plug-In Hybrid >> Repair and Diagnosis >> External Pages >> Different car >> Section 130 (Active Hydraulic Booster (AHB) System Diagnosis (HEV)) >> DTC C1379: Brake Pedal Travel Sensor - Signal >> W/Harness Inspection >> Signal Circuit Inspection

Signal Circuit Inspection

WARNING: This page is about a different car, the 2015 Hyundai Sonata. However, it is still accessible from the selected car via links, so may be relevant.

■ Short Check (to Ground) 

  1. IG "OFF".
  2. Disconnect the Brake Pedal Travel sensor, HECU, AHB connectors.
  3. Measure resistance between PDT and PTF signal terminal of the Brake Pedal Travel sensor harness connector.

    Specification:  Approx. ∞ Ω

    Fig 1: Measuring Resistance Between PDT And PTF Signal Terminal Of Brake Pedal Travel Sensor Harness Connector
    G10602811Courtesy of HYUNDAI MOTOR AMERICA
  4. Is the measured value within specifications?

    YES 

    • Substitute with a known-good Brake Pedal Travel sensor and check for proper operation. If problem is corrected, replace Brake Pedal Travel sensor and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO