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Home >> Genesis >> 2019 >> G90 3.3T Premium, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 3.3L (2 Of 6) >> DTC P0123: Throttle Position Sensor 1 Signal Circuit High Input >> DTC Inspection >> GDS Data Analysis

GDS Data Analysis

  1. Connect GDS and select "DTC Analysis" mode.
  2. Warm up the engine.
  3. Monitor the parameters related to DTC on the "Current Data" menu of the GDS below.
    G12721242Courtesy of HYUNDAI MOTOR AMERICA

    TPS 1 - At idle: approximately 0.5V, At acceleration (2245 RPM): approximately 0.8V

    TPS 2 - At idle: approximately 4.5V, At acceleration (2245 RPM): approximately 4.2V

  4. Is parameter displayed within specifications?

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or PCM's connector. 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 

    • Go to next step.