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Home >> Suzuki >> 2009 >> XL7 Limited, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Lighting Systems >> Diagnostic Information and Procedures >> DTC C0297: Brake Applied Output Circuit >> Circuit/System Testing >> With LNJ
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With LNJ

  1. Ignition OFF, disconnect the X1 harness connector at the ECM.
  2. Connect a test lamp between the signal circuit terminal 9 and ground.
  3. Ignition ON, command the stop lamps ON and OFF by applying and releasing the brake pedal. The test lamp should turn ON and OFF when changing between the commanded states.
    • If the test lamp is always ON, test the signal circuit for a short to voltage. If the circuit tests normal, replace the BCM.
    • If the test lamp is always OFF, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the BCM.
  4. If all circuits test normal, replace the ECM.
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