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Home >> Hyundai >> 2009 >> Elantra GLS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures >> DTC U0001 Can Communication Malfunction >> Signal Circuit Inspection >> Check Can Communication Line For Short To Ground

Check Can Communication Line For Short To Ground

  1. Measure resistance between terminal 77 of the ECM harness connector and chassis ground.
  2. Measure resistance between terminal 78 of the ECM harness connector and chassis ground.

    Specification:  Infinite (above 10kΩ)

    Fig 1: Measuring Resistance Between Terminals 77 And 78 Of ECM Harness Connector And Chassis Ground
    G05363921Courtesy of HYUNDAI MOTOR CO.
  3. Is resistance within the specification?

    YES 

    • Go to next step as below

    NO 

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