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Home >> Hyundai >> 2005 >> Elantra GLS, 4D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Troubleshooting Procedures >> DTC P0261: Cylinder 1-Injector Circuit Low >> Control Circuit Inspection
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Control Circuit Inspection

  1. Check for short to ground in control circuit.
    1. Ignition "OFF".
    2. Measure resistance between terminal 2 of the injector harness connector and chassis ground.

    Specification: Infinite

    Fig 1: Measuring Resistance Between Terminal 2 Of Injector Harness Connector And Chassis Ground
    G03842787Courtesy of HYUNDAI MOTOR CO.
  2. Is resistance within the specification?

    YES 

    • Check for poor connection between PCM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR  procedure.

    NO