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Home >> Suzuki >> 2004 >> Swift + >> Repair and Diagnosis >> External Pages >> Different car >> Section 101 (Engine Controls And Fuel - 1.6L - DTC P0317 To DTC P2610) >> DTC P0458 or P0459 >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2008 Suzuki Swift +, 2008 Pontiac Wave, and 2008 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the EVAP purge solenoid.
  2. Ignition ON, verify a test lamp illuminates between the ignition 1 voltage circuit terminal 2 and ground.
    • If the test lamp does not illuminate, test the ignition 1 voltage circuit for a short to ground or an open/high resistance. If the circuit tests normal and the ignition 1 voltage circuit fuse is open, test all components connected to the ignition 1 voltage circuit and replace as necessary.
  3. Ignition OFF, connect a test lamp between the control circuit terminal 1 and the ignition 1 voltage terminal 2.
  4. Ignition ON, command the EVAP Purge Solenoid to 100 percent, and back to 0 percent with a scan tool. The test lamp should respond to the commanded state.
    • If the test lamp is always ON, test for a short to ground on the control circuit. If the circuit tests normal, replace the ECM.
    • If the test lamp is always OFF, test for a short to voltage or an open/high resistance on the control circuit. If the circuit tests normal, replace the ECM.
  5. If all circuits test normal, test or replace the EVAP purge solenoid.
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