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Home >> Hyundai >> 2008 >> Tucson SE, FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G6BA - GSL 2.7) >> DTC Troubleshooting Procedures >> DTC P0650 Malfunction Indicator Lamp (Mil) Control Circuit >> Control Circuit Inspection

Control Circuit Inspection

  1. Ignition "OFF".
  2. Disconnect ECM connector
  3. Ignition "ON" & Engine "OFF"
  4. Using a suitable wire, jumper the terminal 20 of ECM harness connector to chassis ground.
  5. Is MIL bulb illuminated?

    YES  : --> Go to next step.

    NO  : --> Remove instrument cluster and inspect MIL bulb. If it is burned out, replace bulb. If bulb is okay, locate source of open between bulb and (20/C30-4) or between bulb and Meter Fuse. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

  6. Remove wire from ECM harness connector.
  7. Does MIL bulb go out?

    YES  : --> Thoroughly check for loose, bent, or corroded terminals in MIL circuit (including circuit board). Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO  : --> Check for source of short to GND between bulb and ECM (20/C30-4). Repair as necessary, and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

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