B. Update AECM Software on Early Built 1995 Vehicles Only

IMPORTANT:
Only early built 1995 model year vehicles ("S" in the 11th VIN position) that are NOT equipped with a pretensioner restraint system require AECM updating (Vehicles with old AECM PN 56007181 only).

1. Insert the Super Card 2 into the DRB III (Scan Tool) and then using cable CH7020, connect the DRB III to the underdash diagnostic connector (blue connector to the right of the steering column) and power it up

NOTE:
The Super Card 2 is required to perform the AECM update.

2. Use the arrow keys and select # 5 - RUN MEMORY CARD PROGRAM on the DRB III MAIN MENU Screen.

3. Use the arrow keys and select # 1 -- DRB III STAND ALONE on the DRB III MAIN MENU Screen.

4. Use the arrow keys and select # 1 - 94-97 DIAGNOSTICS on the DRB III STAND ALONE MENU Screen.

5. Use the arrow keys and select # 6 - PASSIVE RESTRAINTS on the DRB III DIAGNOSTICS MENU Screen.

6. Use the arrow keys and select # 1 - AIRBAG on the DRB III RESTRAINT SYSTEM MENU Screen.

7. The DRB III will ask you if this is a 95-97 AB van or wagon. Press YES.

8. Use the arrow keys and select # 9 - MISCELLANEOUS on the DRB III SELECT FUNCTION MENU Screen.

9. Use the arrow keys and select # 1 - CONFIGURE MODULE on the DRB III MISCELLANEOUS MENU Screen.

1O. The DRB III display will read: "You are about to configure the ACM for driver airbag without pretensioners. This procedure can only be performed once. Do you want to continue? YES/NO" Press YES.

11. The DRB III display will read: "Are you sure? YES/NO" Press YES. The DRB III will then display: "Configuration successful. Press any key to exit.

12. From outside the vehicle, turn the ignition switch to the "OFF" position for about 10 seconds and then turn it back to the "RUN" position.

13. Use the arrow keys and select # 2 - READ DTC'S on the DRB MENU Screen.

14. Use the arrow keys and select # 2 - STORED on the DRB III MENU Screen.

15. Press the PAGE BACK key.

16. The DRB III will ask you if you if you want to ERASE EXISTING DTC'S. Press YES.

17. From outside the vehicle, turn the ignition switch to the "OFF" position for about 10 seconds and then turn it back to the "RUN" position.

18. Observe the airbag warning light in the instrument cluster. It should illuminate for 6-8 seconds and then go out.

NOTE:
If the airbag warning light fails to light, or lights and stays on, there is a system malfunction. Refer to the proper Body Diagnostic Procedures manual to diagnose and repair the problem.

19. Disconnect the DRB III from the vehicle.