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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 generator.
  2. Ignition ON, engine OFF, observe the scan tool ECM GEN-F Terminal Signal parameter. It should display less than 10 percent.
    • If the GEN-F Terminal Signal parameter was not affected by the disconnected generator harness, test the GEN-F Terminal Signal circuit for a short to voltage. If the circuit tests normal, replace the ECM.
    • If the circuit tested normal and the ECM parameter changed from above 65 percent to less than 10 percent, replace the generator.
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