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Home >> Suzuki >> 2009 >> XL7 Limited, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 (Charging System) >> Diagnostic Information and Procedures >> DTC P0622 >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2008 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the generator harness connector.
  2. Ignition ON engine OFF, connect a test lamp to B+ and repeatedly probe the generator field duty cycle circuit terminal 2, harness side while monitoring the GEN-F Terminal Signal Parameter. It should change from 0 percent to above 95 percent.
    • If the circuit tests normal, replace the generator.
    • If the parameter was not affected by the test lamp, test the circuit for a short to voltage, short to ground or an open/high resistance.
  3. If the circuit tests normal, replace the ECM.
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