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Component Testing

WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Passenger Window Switch

  1. Ignition OFF, disconnect the harness connector at the appropriate passenger window switch.
  2. Test for infinite resistance between the signal terminals 1, 2 and 3 and the low reference terminal 4 with the switch in the inactive position.
    • If not the specified value, replace the passenger window switch.
  3. Test for less than 2 ohms between the signal terminal 2 and the low reference terminal 4 with the switch in the up position.
    • If greater than the specified range, replace the passenger window switch.
  4. Test for less than 2 ohms between the signal terminal 1 and the low reference terminal 4 with the switch in the down position.
    • If greater than the specified range, replace the passenger window switch.
  5. Test for less than 2 ohms between the signal terminal 3 and the low reference terminal 4 with the switch in the express down position.
    • If greater than the specified range, replace the passenger window switch.