Avalanche 4WD V8-5.3L (2011)
Enabling Procedure - Air Bag Fuse
1. Place the ignition in the OFF position.
2. Install the fuse(s) supplying power to the SDM. Refer to SIR Schematics See: Diagrams/Electrical Diagrams/Air Bag Systems or Electrical
Center Identification Views .
3. Turn the ignition switch to the ON position. The AIR BAG indicator will flash then turn OFF.
4. Perform the Diagnostic System Check - Vehicle if the AIR BAG warning indicator does not operate as described. Refer to Diagnostic System
Check - Vehicle See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System Check - Vehicle.
Disabling Procedure - Negative Battery Cable
1. Turn the steering wheel so that the vehicles wheels are pointing straight ahead.
2. Place the ignition in the OFF position.
3. Disconnect the negative battery cable from the battery. Refer to Battery Negative Cable Disconnection and Connection See: Starting and
Charging/Battery/Battery Cable/Negative/Service and Repair/Battery Negative Cable Disconnection and Connection.
4. Wait 1 minute before working on system.
Enabling Procedure - Negative Battery Cable
1. Place the ignition in the OFF position.
2. Connect the negative battery cable to the battery. Refer to Battery Negative Cable Disconnection and Connection See: Starting and
Charging/Battery/Battery Cable/Negative/Service and Repair/Battery Negative Cable Disconnection and Connection.
3. Turn the ignition switch to the ON position. The AIR BAG indicator will flash then turn OFF.
4. Perform the Diagnostic System Check - Vehicle if the AIR BAG warning indicator does not operate as described. Refer to Diagnostic System
Check - Vehicle See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System Check - Vehicle.
