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Circuit/System Testing

  1. Ignition OFF, disconnect the X2 harness connector at the IPM.
  2. Ignition ON, test for less than 1 volt on each of the switch signal circuits terminals 13, 14, 21, and 22.
    • If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the switch.
  3. If all circuits test normal, test or replace the IPM.
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