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Circuit/System Testing

  1. Ignition OFF, disconnect the X1 harness connector at the X85 Steering Wheel Air Bag Coil.
  2. Ignition ON, test for B+ between the ignition circuit terminal 6 male side and ground.
    • If less than the specified value, test the voltage reference circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the K9 Body Control Module.
  3. Test for B+ between the ignition circuit terminal 6 male side and the signal circuit terminal 7 male side.
    • If less than the specified value, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the K9 Body Control Module.
  4. Ignition OFF, disconnect the X3 harness connector at the K9 Body Control Module.
  5. Test for infinite resistance between the signal circuit terminal 7 male side at the X85 Steering Wheel Air Bag Coil and ground.
    • If less than the specified value, test the signal circuit for a short to ground.
  6. If all circuits test normal, test or replace the S70R Steering Wheel Controls Switch - Right.
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