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Home >> Hyundai >> 2010 >> Genesis 4.6 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System (6HP26) >> Troubleshooting For DTC >> DTC P0890: TCM Power Relay Circuit Low >> Monitor Scantool Data

Monitor Scantool Data

  1. Connect scan tool to data link connector (DLC), Ignition "ON"
  2. Erase DTC and Engine "ON"
  3. Monitor the "Shift control solenoid valve" parameter on the scan tool.
  4. Select "D" range and Drive vehicle, confirm output data of solenoid valve.

    Specification:  48mA ~ 848mA

    Solenoid valve operating status according to gear position 

    GEAR POSITION REFERENCE

    gear position ON SOL. SOL. 1 SOL. 2 SOL. 3 SOL. 4 SOL. 5 SOL. 6
    P OFF 48mA 848mA 48mA 48mA -O- OFF
    R OFF 48mA 48mA 48mA 48mA -O- OFF
    N OFF 48mA 848mA 48mA 48mA -O- OFF
    D1 OFF 848mA 848mA 48mA 48mA -O- -O-
    D2 OFF 848mA 848mA 848mA 848mA -O- -O-
    D3 OFF 848mA 48mA 48mA 848mA -O- -O-
    D4 ON 848mA 848mA 48mA 48mA -O- -O-
    D5 ON 48mA 48mA 48mA 48mA -O- -O-
    D6 ON 48mA 848mA 848mA 48mA -O- -O-
    -O-: variable control
    Fig 1: Scan Tool Display - 1st-6th Gear Shifting (Shift Control Solenoid Valve)
    G06106633Courtesy of HYUNDAI MOTOR CO.
    Fig 2: Scan Tool Display - Battery Voltage In Idle Status
    G06106634Courtesy of HYUNDAI MOTOR CO.
  5. Are "Shift control solenoid valve & Battery voltage" within specification?

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or PCM/TCM's connector or was repaired and PCM/TCM 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 OF VEHICLE REPAIR " procedure

    NO 

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