Component Testing
WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at the sunroof switch.
- Test for infinite resistance between the sunroof switch terminals listed below and the low reference terminal 5 with the switch in the neutral position:
- Roof open terminal 2
- Roof vent terminal 3
- Roof express terminal 6
- If less than the specified range, replace the sunroof switch.
- Test for less than 3 Ω between the sunroof switch terminals listed below and the low reference terminal 5 while pressing the appropriate switch.
- Roof open terminal 2
- Roof close terminal 2
- Roof vent open terminal 3
- Roof vent close terminal 3
- Roof express terminal 6
- If greater than the specified range, replace the sunroof switch.
NOTE:
If the switch tests open in any switch position other than Off, test the sunroof switch signal circuits for a short to voltage before replacing the switch.