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Circuit/System Testing

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  1. Ignition OFF, disconnect the PNP switch harness connector.
  2. Ignition ON, verify the scan tool TR. Sw. A/B/C/P parameter is HI/HI/HI/HI.
    • If not the specified value, test each signal circuit for a short to ground. If all circuits test normal, replace the TCM.
  3. Ignition OFF, test for less than 10 ohms between terminal 11 on the harness side and ground.
    • If greater than the specified value, check the ground circuit for an open/high resistance.
  4. If all circuits test normal test or replace the PNP Switch.
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