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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 ON, verify that the Stop Lamp Pedal Switch parameter in the ECM reads Applied while depressing the brake pedal.
    • If the Stop Lamp Pedal Switch parameter reads Released, test the stop lamp switch signal circuit for an open/high resistance, a short to ground, or a short to voltage. If the circuit tests normal, replace the BCM.
  2. If all circuits test normal, replace the ECM.
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