LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2004 >> Accent Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P2401 Evaporative Emission System Leak Detection Pump Control Circuit Low >> Control Circuit Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Control Circuit Inspection

  1. Check for short to ground in harness
    1. Ignition "OFF"
    2. Disconnect DM-TL connector and PCM connector.
    3. Ignition "ON" & Engine "OFF"
    4. Measure resistance between terminal 1 of DM-TL harness connector and chassis ground.

      Specification: infinite

      Fig 1: Measuring Resistance Between Terminal 1 Of DM-TL Harness Connector And Chassis Ground
      G03852099Courtesy of HYUNDAI MOTOR CO.
    5. Is measure resistance within Specification?

      YES 

      • Go to "Check for short between Pump Control and Solenoid Control harness" below.

      NO 

      • Short circuit to chassis ground between DM-TL harness connector and PCM harness connector.
      • Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  2. Check for short between Pump Control and Solenoid Control harness
    1. Ignition "OFF"
    2. Disconnect DM-TL connector and PCM connector.
    3. Ignition "ON" & Engine "OFF"
    4. Measure resistance between terminal 1 and 2 of DM-TL harness connector.

      Specification: infinite

      Fig 2: Measuring Resistance Between Terminal 1 And 2 Of DM-TL Harness Connector
      G03852100Courtesy of HYUNDAI MOTOR CO.
    5. Is measure resistance within Specification?

      YES 

      NO 

      • Shorted circuit between Pump Control circuit and Solenoid Control circuit.
      • Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.