LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1196 (Cruise Control System) >> Diagnostic Information and Procedures >> DTC B3794 >> Circuit/System Testing
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Testing

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, remove the inflatable restraint steering wheel module. Refer to Inflatable Restraint Steering Wheel Module Replacement .
  2. Disconnect the harness connector at the steering wheel controls switch - left.
  3. Ignition ON, test for greater than 10 volts between the supply voltage circuit terminal 1 and ground.
    • If less than the specified range, test the supply voltage circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the BCM.
  4. Verify the scan tool Cruise Control Switch parameter is OFF.
    • If not the specified value, test the signal circuit terminal 3 for a short to voltage. If the circuit tests normal, replace the BCM.
  5. Ignition OFF, connect the harness connector at the steering wheel controls switch - left.
  6. Ignition ON, with the cruise control switch in the ON position, observe the scan tool Cruise Control Switch parameter. The parameter should display ON.
    • If not the specified value, test the signal circuit terminal 3 for a short - left.
  7. Observe the scan tool Cruise Control Switch parameter while pressing the RES + portion of the cruise control switch. The parameter should display Resume.
    • If not the specified value, test or replace the steering wheel controls switch - left.
  8. Observe the scan tool Cruise Control Switch parameter while pressing the SET - portion of the cruise control switch. The parameter should display Set.
    • If not the specified value, test or replace the steering wheel controls switch - left.
  9. Observe the scan tool Cruise Control Switch parameter while pressing the Cancel portion of the cruise control switch. The parameter should display Cancel.
    • If not the specified value, test or replace the steering wheel controls switch - left.
  10. If the circuits test normal, test or replace the BCM.
scientia non olet · About LEMON Manuals