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Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1780 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> Liftgate/Liftgate Window Ajar Indicator Malfunction (Power Liftgate) >> Component Testing

Component Testing

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Liftglass Latch Assembly

  1. Ignition OFF, disconnect the harness connectors at the liftgate window latch assembly.
  2. Test for infinite resistance between the signal terminal 4 and ground terminal 3 with the switch in the open position.
    • If not the specified value, replace the liftgate window latch assembly.
  3. Test for less than 2 Ω between the signal terminal 4 and ground terminal 3 with the switch in the closed position.
    • If greater than the specified range, replace the liftgate window latch assembly.

Liftgate Latch Assembly

  1. Ignition OFF, disconnect the harness connectors at the liftgate latch assembly.
  2. Test for infinite resistance between the signal terminal 6 and the low reference terminal 2 with the switch in the open position.
    • If not the specified value, replace the liftgate latch assembly..
  3. Test for less than 2 Ω between the signal terminal 6 and the low reference terminal 2 with the switch in the closed position
    • If greater than the specified range, replace the liftgate latch assembly.
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