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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sunroof System >> Diagnostic Information and Procedures >> DTC B3664: Sunroof Position Select Switch High Signal Circuit >> Component Testing >> Static Test

Static Test

  1. Ignition OFF, disconnect the harness connector at the S72 Sunroof Switch.
  2. Test for 3.3-4.0k Ω between the control terminal 4 and the low reference terminal 1.
    • If not between 3.3-4.0k Ω 

      Replace the S72 Sunroof Switch.

    • If between 3.3-4.0k Ω 
  3. Test for 390-480 Ω between the control terminal 4 and the low reference terminal 1 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 1.6-2.0k Ω between the control terminal 4 and the low reference terminal 1 while pressing the close switch.
    • If not between 1.6-2.0k Ω 

      Replace the S72 Sunroof Switch.

    • If between 1.6-2.0k Ω 
  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
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