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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 inoperative park lamp.
  2. Ignition OFF, test for less than 1.0 Ω of resistance between the ground circuit and ground.
    • If greater than 1.0 Ω, test the ground circuit for an open/high resistance.
  3. Install test lamp between the signal circuit and ground. Verify that the parklamps are ON.
    • If the test lamp is not ON, test the signal circuit of the headlamp switch for a short to ground or an open/high resistance. If circuit tests normal, replace the BCM.
  4. If all circuits test normal, test or replace the inoperative light bulb.
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