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Home >> Hyundai >> 2010 >> Azera Limited >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle Diagnosis >> DTC P0891: TCM Power Relay Circuit High >> Scantool Diagnostics >> Monitor Scantool Data

Monitor Scantool Data

  1. Connect scantool to data link connector(DLC)
  2. Ignition "ON" & Engine "OFF".
  3. Monitor the "A/T CON. RELAY VOLT" parameter on the scan tool.

    Specification:  Approx. B+

    Fig 1: Monitoring Normal Status For A/T Relay
    G06806408Courtesy of HYUNDAI MOTOR CO.
    Fig 2: Monitoring Open Status For A/T Relay
    G06806409Courtesy of HYUNDAI MOTOR CO.
  4. Is A/T RELAY VOLT within specifications?

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or TCM(PCM)'s connector or was repaired and TCM(PCM) memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Repair or replace as necessary and go to "VERIFICATION VEHICLE REPAIR " procedure

    NO 

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