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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 C1378: Brake Pedal Travel Sensor - Electrical >> W/Harness Inspection >> Ground Circuit Inspection

Ground 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.

■ Open or Short Check 

  1. IG "OFF".
  2. Disconnect the Brake Pedal Travel sensor, AHB connectors.
  3. Measure resistance between PDF ground terminal of the Brake Pedal Travel sensor harness connector and chassis ground.

    Specification:  Approx. below 1Ω

    Fig 1: Measuring Resistance Between PDF Ground Terminal Of Brake Pedal Travel Sensor Harness Connector And Chassis Ground
    G10602803Courtesy of HYUNDAI MOTOR AMERICA
  4. Is the measured value within specifications?

    YES 

    NO 

    • Repair open or short in ground circuit between the Brake Pedal Travel sensor harness connector and AHB harness connector and then, go to "VERIFICATION OF VEHICLE REPAIR "