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Home >> Hyundai >> 2017 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0122: Throttle Position Sensor 1 Signal Circuit Low Input >> W/Harness Inspection >> Power Circuit Inspection
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Power Circuit Inspection

■ Check voltage 

  1. IG "OFF" and disconnect ETC Motor & TPS connector.
  2. IG "ON".
  3. Measure voltage between TPS power terminal of ETC Motor & TPS harness connector and chassis ground.

    Specification:  Approx. 5V

    Fig 1: Measuring Voltage Between TPS Power Terminal Of ETC Motor & TPS Harness Connector And Chassis Ground
    G12087577Courtesy of HYUNDAI MOTOR AMERICA
  4. Is the measured voltage within specification?

    YES 

    NO