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Home >> Kia >> 2016 >> Cadenza Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0122: Throttle Position Sensor 1 Signal Circuit Low Input >> Component Inspection
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Component Inspection

■ Check TPS resistance 

  1. IG "OFF". Disconnect ETC Motor & TPS connector.
  2. Measure resistance between TPS power and TPS ground terminals of ETC Motor & TPS connector. (component side)

    Specification:  1.6 ~ 2.4kΩ

  3. Is the measured resistance within specification?

    YES 

    • Substitute with a known - good PCM and check for proper operation. If the problem is corrected, replace PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Substitute with a known-good TPS and check for proper operation. If the problem is corrected, replace TPS and then go to "VERIFICATION OF VEHICLE REPAIR " procedure. (After replacing ETC, do initialization of ETC as follows)

* ETC module learning procedure

When installing new ETC module or re-installing it, ETC module learning procedure must be performed.

  1. Hold the ignition key or the start button at the IG ON position during 5 seconds.
  2. Turn ignition switch OFF and then start the engine.
    CAUTION: DTC codes (P0638, P2110) might be displayed if ETC module learning procedure does not performed after replacing ETC module.