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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 B3883: License Plate Lamp Circuit >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, remove the appropriate E7 License Plate Lamp bulb and inspect.
    • If bulb is faulty, replace bulb.
  2. Disconnect the harness connector at E7 License Plate Lamp.
  3. Test for less than 5 Ω between the license plate lamp ground circuit harness connector terminal 1 and ground.
    • If greater than the specified range, test the ground circuit for an open circuit/high resistance.
  4. Connect a test lamp between the control circuit harness connector terminal 3 and ground.
  5. Command the License Plate Lamps test with a scan tool. The test lamp should turn ON and OFF when changing between the commanded states.
    • If the test lamp is always ON, test the control circuit for a short to voltage. If the test shows that the circuit is normal, replace the body electronic module K9.
    • If the test lamp is always OFF, test the control circuit for a short to ground or an open/high resistance. If the test shows that the circuit is normal, replace the body electronic module K9.
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