LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2004 >> Escalade EXT >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 710 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B2476 or B2482 >> Component Testing
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Testing

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the button assembly.
  2. Test for infinite resistance between the keypad supply voltage terminal A and the keypad signal terminal B.
    • If less than the specified range, replace the button assembly.
  3. Test for 1.4 K - 1.6 K Ω between the keypad supply voltage terminal A and the keypad signal terminal B while pressing the red emergency button.
    • If not within the specified range, replace the button assembly.
  4. Test for 2.7 K - 3.3 K Ω between the keypad supply voltage terminal A and the keypad signal terminal B while pressing the blue On-Star® button.
    • If not within the specified range, replace the button assembly.
  5. Test for 12.5 K - 13.5 K Ω between the keypad supply voltage terminal A and the keypad signal terminal B while pressing the black phone button.
    • If not within the specified range, replace the button assembly.
scientia non olet · About LEMON Manuals