LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2016 >> Cascada Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 101 (Sunroof System) >> Diagnostic Information and Procedures >> DTC B3664: Sunroof Position Select Switch High Signal Circuit >> Component Testing >> Sunroof Switch Static Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Sunroof Switch Static Test

WARNING: This page is about a different car, the 2016 Chevrolet Malibu Limited. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the S72 Sunroof Switch.
  2. Test for 3.3-4.0 kΩ between the control terminal 4 and the low reference terminal 1.
    • If not between 3.3-4.0 kΩ 

      Replace the S72 Sunroof Switch.

    • If between 3.3-4.0 kΩ 
  3. Test for 390-480 Ω between the control terminal 4 and the low reference terminal 1 while pressing the open switch while pressing the open switch.
    • If not between 390-480 Ω 

      Replace the S72 Sunroof Switch.

    • If between 390-480 Ω 
  4. Test for 88-120 Ω between the control terminal 4 and the low reference terminal 1 while pressing the express open switch.
    • If not between 88-120 Ω 

      Replace the S72 Sunroof Switch.

    • If between 88-120 Ω 
  5. Test for 1.6-2.0 kΩ between the control terminal 4 and the low reference terminal 1 while pressing the close switch.
    • If not between 1.6-2.0 kΩ 

      Replace the S72 Sunroof Switch.

    • If between 1.6-2.0 kΩ 
  6. Test for 830-1030 Ω between the control terminal 4 and the low reference terminal 1 while pressing the express close switch.
    • If not between 830-1030 Ω 

      Replace the S72 Sunroof Switch.

    • If between 830-1030 Ω 
  7. All OK
scientia non olet · About LEMON Manuals