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Circuit/System Testing

WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the fuel level sensors.
  2. Ignition ON, verify that the scan tool fuel tank level remaining parameter is less than 4 percent
    • If greater than 4 percent, test the signal circuit for a short to ground. If the circuit tests normal, replace the ECM.
  3. If all circuits test normal, test or replace the fuel level sensors.
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