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Home >> Saturn >> 2007 >> Relay 3.9 1 >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> Power Liftgate Inoperative >> Circuit/System Testing >> Liftgate Button Switch Inoperative
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Liftgate Button Switch Inoperative

WARNING: This page is about a different car, the 2007 Saturn Outlook. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the interior liftgate switch.
  2. Ignition OFF, test for less than 1 ohm of resistance between the low reference circuit terminal 2 and ground.
    • If greater than the specified range, test the low reference circuit for an open/high resistance.
  3. Ignition ON, verify the scan tool Liftgate Handle Sw Status parameter is Inactive.
    • If not the specified value, test the signal circuit terminal 1 for a short to ground. If the circuit tests normal, replace the PLGM.
  4. Install a 3A fused jumper wire between the signal circuit terminal 1 and ground. Verify the scan tool Liftgate Handle Sw Status parameter is Active.
    • If not the specified value, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the PLGM.
  5. If all circuits test normal, test or replace the interior liftgate switch.
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