LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2004 >> Elantra GLS, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Trouble Shooting Procedures >> DTC P0453: EVAP Emission Control System Pressure Sensor High Input >> Inspection Procedures >> 5. Check For Open In Harness
April 5, 2026: LEMON Manuals is launched! Read the announcement.

5. Check For Open In Harness

  1. Turn ignition switch to OFF position and keep the ECM and FTPS connectors disconnected.
  2. Measure resistance between terminal 3 of the FTPS harness connector and 33 of the ECM harness connector.
  3. Measure resistance between terminal 2 of the FTPS harness connector and 34 of the ECM harness connector.
    Fig 1: Checking FTPS Harness For Open Circuit
    G00750598Courtesy of HYUNDAI MOTOR CO.
    • Specification: below 1Ω 

Does each resistance indicate continuity? 

Yes: Proceed with ECM problem procedure.

No: Repair open in harness.