Air Bag Systems - Additional Warnings

91ford06

Article No. 91-5B-2


^ SHOP MANUAL- 1989 - CLARIFICATIONS, CORRECTIONS, AND ADDITIONAL WARNINGS FOR SUPPLEMENTAL AIR BAG RESTRAINT SYSTEMS

^ SHOP MANUAL- 1990 - CLARIFICATIONS, CORRECTIONS, AND ADDITIONAL WARNINGS FOR SUPPLEMENTAL AIR BAG RESTRAINT SYSTEMS


FORD: 1989-90 TEMPO 1990 CROWN VICTORIA, MUSTANG, TAURUS

LINCOLN-MERCURY: 1989-90 CONTINENTAL, TOPAZ 1990 GRAND MARQUIS, MARK VII, SABLE, TOWN CAR


ISSUE: Clarifications, corrections, and additional warnings are being incorporated into the 1989 and 1990 Shop Manuals for all vehicles equipped with Supplemental Air Bag Restraint Systems. The following Shop Manuals are affected:

^ 1990 Lincoln Town Car/Crown Victoria/Grand Marquis
^ 1990 Mark VII

^ 1990 Mustang

^ 1989 Tempo/Topaz

^ 1990 Tempo/Topaz

^ 1990 Taurus/Sable

^ 1989 Continental

^ 1990 Continental


ACTION: Refer to the additional warnings, shown below, which must be followed to safely perform disassembly, assembly, and service on the steering column, horn, speed control, and instrument panel.


OTHER APPLICABLE ARTICLES: 90-18B-4
WARRANTY STATUS: INFORMATION ONLY
OASIS CODES: 190000


WARNING: When performing service procedures given in all applicable 1990 Shop Manuals that require either partial disassembly or removal of components associated with the Air Bag Restraint System, ALWAYS DISCONNECT THE BACKUP POWER SUPPLY* in addition to disconnecting the battery ground cable. This applies to procedures given in Steering Column (Section 13-04), Horn (Section 35-80), Speed Control (Section 37-05) and, for Lincoln Town Car and Continental Models equipped with a passenger side air bag, Instrument Panel (Section 45-61). This insures that electrical potential is removed from all circuits that enable the air bag restraint system.

*Note: The 1989 Tempo/Topaz and Continental DO NOT have a Backup Power Supply. The
Backup Power Supply is a part of the system on all models beginning in 1990.


WARNING: When deactivating the air bag system on Lincoln Town Cars and Continentals that are equipped with both driver and passenger air bags, BOTH AIR BAGS MUST BE DISCONNECTED. The deactivation procedure requires that both the battery and the Backup Power Supply be disconnected before aftempting to disconnect the air bags. After disconnecting the air bags, the battery and Backup Power Supply should be reconnected before performing the diagnostic procedures in the Shop Manual.