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Home › Hyundai › 2007 › Accent GLS, Standard › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (2 Of 2) › DTC Troubleshooting Procedures › DTC P0507 Idle Air Control System-Rpm Higher Than Expected › Power Circuit Inspection

Power Circuit Inspection

  1. Key "OFF".
  2. Disconnect ISCA connector.
  3. Key "ON".
  4. Measure the voltage between terminal 2 of ISCA harness connector and chassis ground.

    Specification: B+

  5. Is the measured voltage within specification?

    YES  : --> Go to "CONTROL CIRCUIT INSPECTION " procedure.

    NO  : --> Repair Open or Short in power circuit and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.

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