Activating System

1998 Oldsmobile Achieva 3.1 M, 4T40E/MN4SECTION Activating System
  1. Disconnect negative battery cable. Wait at least one minute. Remove air bag simulators from driver-side and passenger-side air bag wiring harness connectors.
  2. Connect driver-side air bag connector to air bag module. Install driver-side air bag module onto steering wheel. See DRIVER-SIDE AIR BAG MODULE .
  3. Connect passenger-side air bag connector to air bag module. Install passenger-side air bag into instrument panel. See PASSENGER-SIDE AIR BAG MODULE . Connect negative battery cable. Perform SYSTEM OPERATION CHECK . Program radio station frequencies.


  1. Disconnect negative battery cable. Wait at least one minute. This time is required for back-up power supply in diagnostic monitor to deplete its stored energy. Remove driver-side and passenger-side air bag simulators.
  2. Install driver-side and passenger-side air bag modules. Tighten mounting bolts to specification. See TORQUE SPECIFICATIONS . Connect negative battery cable. Perform SYSTEM OPERATION CHECK . Program radio station frequencies.


  1. Disconnect negative battery cable. On "F" Series Pickups, remove battery to starter relay cable. On all models, wait at least one minute. This time is required for back-up power supply in ECS or diagnostic monitor to deplete its stored energy. Remove air bag simulators.
  2. Install driver-side air bag module and passenger-side air bag module. Tighten mounting bolts to specification. See TORQUE SPECIFICATIONS . Connect negative battery cable. Perform SYSTEM OPERATION CHECK .
CAUTION: On all "E" series vans equipped with an auxiliary battery (gas engine) or a secondary battery (diesel engine), both batteries must be disconnected to ensure air bag system is disabled. See DISABLING SYSTEM ("E" SERIES VANS WITH DUAL BATTERIES) .


  1. Disconnect negative battery cable. Wait at least one minute. This time is required for back-up power supply in diagnostic monitor to deplete its stored energy. Remove air bag simulators.
  2. Install driver-side air bag module and passenger-side air bag module. Tighten mounting bolts to specification. See TORQUE SPECIFICATIONS . Connect negative battery cable. Perform SYSTEM OPERATION CHECK .


  1. Disconnect battery cables. Wait at least one minute. This time is required for back-up power supply in diagnostic monitor to deplete its stored energy. Remove air bag simulators.
  2. Install driver-side air bag module and passenger-side air bag module. Tighten mounting bolts to specification. See TORQUE SPECIFICATIONS . Connect battery cables in reverse order of disabling procedure. Perform SYSTEM OPERATION CHECK .


  1. Disconnect negative battery cable. Wait at least one minute. This time is required for back-up power supply in diagnostic monitor to deplete its stored energy. Remove air bag simulators.
  2. Install driver-side and passenger-side air bag modules. Tighten mounting bolts to specification. See TORQUE SPECIFICATIONS . Connect positive battery cable. Perform SYSTEM OPERATION CHECK .


  1. Disconnect negative battery cable. Wait at least one minute. This time is required for back-up power supply in diagnostic monitor to deplete its stored energy. Remove air bag simulators.
  2. Install driver-side and passenger-side air bag modules. See DRIVER-SIDE AIR BAG MODULE  and PASSENGER-SIDE AIR BAG MODULE . Connect negative battery cable. Perform SYSTEM OPERATION CHECK . Program radio station frequencies.


  1. Disconnect negative battery cable. Wait at least 10 minutes. This time is required for back-up power supply in diagnostic monitor to deplete its stored energy.
  2. Remove air bag simulators. Connect negative battery cable. Perform SYSTEM OPERATION CHECK .
Fig 1: Identifying Air Bag Simulator (Typical)
G93G28601Courtesy of FORD MOTOR CO.
AIR BAG SIMULATOR APPLICATION

Application Driver-Side Passenger-Side
Continental 105-00012 105-00012
Contour & Mystique 105-R0012 105-R0012
Crown Victoria & Grand Marquis 105-R0010 105-R0010
Escort (1) & Tracer 105-00012 105-00012
"E" Series Vans 105-R0012 105-R0012
Expedition & Navigator 105-R0012 105-R0012
Explorer & Mountaineer 105-R0012 105-R0012
"F" Series Pickups 105-R0012 105-R0012
Mark VIII 105-R0012 105-R0012
Mustang 105-R0012 105-R0012
Ranger 105-00012 105-00012
Sable & Taurus 105-R0012 105-R0012
Town Car 105-00012 105-00012
Villager T94P-50-A T96P-50-A
Windstar 105-R0010 105-R0010
(1) Including Escort Coupe.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.