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Home >> Saab >> 2010 >> 9-5 >> Repair and Diagnosis >> Electrical >> Horns >> Lighting And Signaling Systems >> Fault diagnosis, fault codes >> DTC B096F: Power Mode Switch Assembly Backlight Circuit >> Circuit/System Testing
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Circuit/System Testing

  1. Disconnect the harness connector at the S38 Ignition Mode Switch.
  2. Test for less than 5 Ω between the ground circuit terminal 4 and ground.
  3. If greater than the specified range, test the ground circuit for an open/high resistance.
  4. Connect a test lamp between the backlight control circuit of S38 Ignition Mode Switch terminal 8 and ground.
  5. Close the driver's door and wait 30 seconds. Open the driver's door and check that the test lamp blinks.
  6. If the test lamp does not flash, test the control circuit for an open circuit/high resistance or short to ground. If the circuit tests normal, replace the K9 Body Control Module.
  7. 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.
  8. If all circuits test normal, replace the S38 Ignition Mode Switch.
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