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Home >> Saab >> 2011 >> 9-5 Turbo6 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting And Signaling Systems >> Fault diagnosis, fault codes >> DTC C0297: Brake Applied Output Circuit Short to Ground >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the K20 Engine Control Module harness connector listed below:
    • Harness connector X1 with LDK or LBY
    • Harness Connector X2 with LUU, LBS, LAU or LBW
  2. Connect a test lamp between ground and the terminal listed below:
    • Terminal 52 with LLU, LDK, LAU or LBW
    • Terminal 38 with LBS
    • Terminal 24 with LBY
  3. Ignition ON, push and release the brake pedal. The test lamp should turn ON and OFF when changed between pushed an released brake pedal.
  4. If the test lamp is always ON, test the control circuit for a short to voltage. If the circuit tests normal, replace the K9 Body Control Module.
  5. If the test lamp is always OFF, test the control circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the K9 Body Control Module.
  6. If all circuits test normal, replace the K20 Engine Control Module.
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