LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2004 >> Sorento EX, RWD >> Repair and Diagnosis >> Engine Performance >> Fuel System & Fault Isolation >> DTC Troubleshooting Procedures >> DTC P0320: Ignition/Distributor Engine Speed Input Circuit >> Component Inspection
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Component Inspection

Check IG Failure Sensor 

  1. IG KEY: ON, Engine: ON
  2. Connect IG failure sensor connector B-12 and ECM connector.
  3. Check IG failure sensor's signal on scantool.
    1. Specification: Approx. 0~10V (At idle state)
  4. Is IG failure sensor normal?

    YES

    1. IG failure sensor is OK.
    2. Possibility of defective ECM. Temporarily test with a new ECM and check for proper operation.

      If problem is corrected, replace ECM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO

    1. Test with a new IG failure sensor and check for proper operation. If problem is corrected, replace it.

      And go to "VERIFICATION OF VEHICLE REPAIR " procedure.